Revert of [inspector] move console to builtins (patchset #6 id:120001 of...

Revert of [inspector] move console to builtins (patchset #6 id:120001 of https://codereview.chromium.org/2785293002/ )

Reason for revert:
console.toString() should return "[object Object]"

Original issue's description:
> [inspector] move console to builtins
>
> What will we get:
> - console would be included into snapshot and allow us to reduce time that we spent in contextCreated function (~5 times faster),
> - it allows us to make further small improvement of console methods, e.g. we can implement super quick return from console.assert if first argument is true,
> - console calls are ~ 15% faster.
>
> BUG=v8:6175
> R=dgozman@chromium.org
>
> Review-Url: https://codereview.chromium.org/2785293002
> Cr-Commit-Position: refs/heads/master@{#44353}
> Committed: https://chromium.googlesource.com/v8/v8/+/55905f85d63d75aaa9313e51eb7bede754a8e41c

TBR=dgozman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6175

Review-Url: https://codereview.chromium.org/2795003003
Cr-Commit-Position: refs/heads/master@{#44354}

BUILD.gn

@@ -910,7 +910,6 @@ v8_source_set("v8_builtins_generators") {
     "src/builtins/builtins-async-generator-gen.cc",
     "src/builtins/builtins-async-iterator-gen.cc",
     "src/builtins/builtins-boolean-gen.cc",
-    "src/builtins/builtins-console.cc",
     "src/builtins/builtins-constructor-gen.cc",
     "src/builtins/builtins-constructor-gen.h",
     "src/builtins/builtins-constructor.h",

include/v8.h

@@ -150,9 +150,6 @@ class FunctionCallbackArguments;
 class GlobalHandles;
 }  // namespace internal
 
-namespace debug {
-class ConsoleCallArguments;
-}  // namespace debug
 
 // --- Handles ---
 
@@ -3569,7 +3566,6 @@ class FunctionCallbackInfo {
  protected:
   friend class internal::FunctionCallbackArguments;
   friend class internal::CustomArguments<FunctionCallbackInfo>;
-  friend class debug::ConsoleCallArguments;
   static const int kHolderIndex = 0;
   static const int kIsolateIndex = 1;
   static const int kReturnValueDefaultValueIndex = 2;

src/api.cc

@@ -25,7 +25,6 @@
 #include "src/base/safe_conversions.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/bootstrapper.h"
-#include "src/builtins/builtins-utils.h"
 #include "src/char-predicates-inl.h"
 #include "src/code-stubs.h"
 #include "src/compiler-dispatcher/compiler-dispatcher.h"
@@ -9565,22 +9564,6 @@ Local<Function> debug::GetBuiltin(Isolate* v8_isolate, Builtin builtin) {
   return Utils::ToLocal(handle_scope.CloseAndEscape(fun));
 }
 
-void debug::SetConsoleDelegate(Isolate* v8_isolate, ConsoleDelegate* delegate) {
-  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
-  ENTER_V8(isolate);
-  isolate->set_console_delegate(delegate);
-}
-
-debug::ConsoleCallArguments::ConsoleCallArguments(
-    const v8::FunctionCallbackInfo<v8::Value>& info)
-    : v8::FunctionCallbackInfo<v8::Value>(nullptr, info.values_, info.length_) {
-}
-
-debug::ConsoleCallArguments::ConsoleCallArguments(
-    internal::BuiltinArguments& args)
-    : v8::FunctionCallbackInfo<v8::Value>(nullptr, &args[0] - 1,
-                                          args.length() - 1) {}
-
 MaybeLocal<debug::Script> debug::GeneratorObject::Script() {
   i::Handle<i::JSGeneratorObject> obj = Utils::OpenHandle(this);
   i::Object* maybe_script = obj->function()->shared()->script();

src/bootstrapper.cc

@@ -2604,54 +2604,6 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
         static_cast<PropertyAttributes>(DONT_ENUM | READ_ONLY));
   }
 
-  {  // -- C o n s o l e
-    Handle<String> name = factory->InternalizeUtf8String("console");
-    Handle<JSFunction> cons = factory->NewFunction(name);
-    Handle<JSObject> empty = factory->NewJSObject(isolate->object_function());
-    JSFunction::SetInstancePrototype(cons, empty);
-    Handle<JSObject> console = factory->NewJSObject(cons, TENURED);
-    DCHECK(console->IsJSObject());
-    JSObject::AddProperty(global, name, console, DONT_ENUM);
-    SimpleInstallFunction(console, "debug", Builtins::kConsoleDebug, 1, false);
-    SimpleInstallFunction(console, "error", Builtins::kConsoleError, 1, false);
-    SimpleInstallFunction(console, "info", Builtins::kConsoleInfo, 1, false);
-    SimpleInstallFunction(console, "log", Builtins::kConsoleLog, 1, false);
-    SimpleInstallFunction(console, "warn", Builtins::kConsoleWarn, 1, false);
-    SimpleInstallFunction(console, "dir", Builtins::kConsoleDir, 1, false);
-    SimpleInstallFunction(console, "dirxml", Builtins::kConsoleDirXml, 1,
-                          false);
-    SimpleInstallFunction(console, "table", Builtins::kConsoleTable, 1, false);
-    SimpleInstallFunction(console, "trace", Builtins::kConsoleTrace, 1, false);
-    SimpleInstallFunction(console, "group", Builtins::kConsoleGroup, 1, false);
-    SimpleInstallFunction(console, "groupCollapsed",
-                          Builtins::kConsoleGroupCollapsed, 1, false);
-    SimpleInstallFunction(console, "groupEnd", Builtins::kConsoleGroupEnd, 1,
-                          false);
-    SimpleInstallFunction(console, "clear", Builtins::kConsoleClear, 1, false);
-    SimpleInstallFunction(console, "count", Builtins::kConsoleCount, 1, false);
-    SimpleInstallFunction(console, "assert", Builtins::kConsoleAssert, 1,
-                          false);
-    SimpleInstallFunction(console, "markTimeline",
-                          Builtins::kConsoleMarkTimeline, 1, false);
-    SimpleInstallFunction(console, "profile", Builtins::kConsoleProfile, 1,
-                          false);
-    SimpleInstallFunction(console, "profileEnd", Builtins::kConsoleProfileEnd,
-                          1, false);
-    SimpleInstallFunction(console, "timeline", Builtins::kConsoleTimeline, 1,
-                          false);
-    SimpleInstallFunction(console, "timelineEnd", Builtins::kConsoleTimelineEnd,
-                          1, false);
-    SimpleInstallFunction(console, "time", Builtins::kConsoleTime, 1, false);
-    SimpleInstallFunction(console, "timeEnd", Builtins::kConsoleTimeEnd, 1,
-                          false);
-    SimpleInstallFunction(console, "timeStamp", Builtins::kConsoleTimeStamp, 1,
-                          false);
-    JSObject::AddProperty(
-        console, factory->to_string_tag_symbol(),
-        factory->NewStringFromAsciiChecked("Console"),
-        static_cast<PropertyAttributes>(DONT_ENUM | READ_ONLY));
-  }
-
 #ifdef V8_I18N_SUPPORT
   {  // -- I n t l
     Handle<String> name = factory->InternalizeUtf8String("Intl");

src/builtins/builtins-console.cc

-// Copyright 2017 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/builtins/builtins-utils.h"
-#include "src/builtins/builtins.h"
-#include "src/debug/interface-types.h"
-#include "src/objects-inl.h"
-
-namespace v8 {
-namespace internal {
-
-// -----------------------------------------------------------------------------
-// Console
-
-#define CONSOLE_METHOD_LIST(V) \
-  V(Debug)                     \
-  V(Error)                     \
-  V(Info)                      \
-  V(Log)                       \
-  V(Warn)                      \
-  V(Dir)                       \
-  V(DirXml)                    \
-  V(Table)                     \
-  V(Trace)                     \
-  V(Group)                     \
-  V(GroupCollapsed)            \
-  V(GroupEnd)                  \
-  V(Clear)                     \
-  V(Count)                     \
-  V(Assert)                    \
-  V(MarkTimeline)              \
-  V(Profile)                   \
-  V(ProfileEnd)                \
-  V(Timeline)                  \
-  V(TimelineEnd)               \
-  V(Time)                      \
-  V(TimeEnd)                   \
-  V(TimeStamp)
-
-#define CONSOLE_BUILTIN_IMPLEMENTATION(name)      \
-  BUILTIN(Console##name) {                        \
-    HandleScope scope(isolate);                   \
-    if (isolate->console_delegate()) {            \
-      debug::ConsoleCallArguments wrapper(args);  \
-      isolate->console_delegate()->name(wrapper); \
-    }                                             \
-    return isolate->heap()->undefined_value();    \
-  }
-CONSOLE_METHOD_LIST(CONSOLE_BUILTIN_IMPLEMENTATION)
-#undef CONSOLE_BUILTIN_IMPLEMENTATION
-
-#undef CONSOLE_METHOD_LIST
-
-}  // namespace internal
-}  // namespace v8

src/builtins/builtins-definitions.h

@@ -335,31 +335,6 @@ namespace internal {
   CPP(CallSitePrototypeIsToplevel)                                             \
   CPP(CallSitePrototypeToString)                                               \
                                                                                \
-  /* Console */                                                                \
-  CPP(ConsoleDebug)                                                            \
-  CPP(ConsoleError)                                                            \
-  CPP(ConsoleInfo)                                                             \
-  CPP(ConsoleLog)                                                              \
-  CPP(ConsoleWarn)                                                             \
-  CPP(ConsoleDir)                                                              \
-  CPP(ConsoleDirXml)                                                           \
-  CPP(ConsoleTable)                                                            \
-  CPP(ConsoleTrace)                                                            \
-  CPP(ConsoleGroup)                                                            \
-  CPP(ConsoleGroupCollapsed)                                                   \
-  CPP(ConsoleGroupEnd)                                                         \
-  CPP(ConsoleClear)                                                            \
-  CPP(ConsoleCount)                                                            \
-  CPP(ConsoleAssert)                                                           \
-  CPP(ConsoleMarkTimeline)                                                     \
-  CPP(ConsoleProfile)                                                          \
-  CPP(ConsoleProfileEnd)                                                       \
-  CPP(ConsoleTimeline)                                                         \
-  CPP(ConsoleTimelineEnd)                                                      \
-  CPP(ConsoleTime)                                                             \
-  CPP(ConsoleTimeEnd)                                                          \
-  CPP(ConsoleTimeStamp)                                                        \
-                                                                               \
   /* DataView */                                                               \
   CPP(DataViewConstructor)                                                     \
   CPP(DataViewConstructor_ConstructStub)                                       \

src/debug/debug-interface.h

@@ -207,8 +207,6 @@ enum Builtin {
 
 Local<Function> GetBuiltin(Isolate* isolate, Builtin builtin);
 
-void SetConsoleDelegate(Isolate* isolate, ConsoleDelegate* delegate);
-
 /**
  * Native wrapper around v8::internal::JSGeneratorObject object.
  */

src/debug/interface-types.h

@@ -9,15 +9,9 @@
 #include <string>
 #include <vector>
 
-#include "include/v8.h"
 #include "src/globals.h"
 
 namespace v8 {
-
-namespace internal {
-class BuiltinArguments;
-}  // internal
-
 namespace debug {
 
 /**
@@ -96,47 +90,6 @@ class V8_EXPORT_PRIVATE BreakLocation : public Location {
   BreakLocationType type_;
 };
 
-class ConsoleCallArguments : private v8::FunctionCallbackInfo<v8::Value> {
- public:
-  int Length() const { return v8::FunctionCallbackInfo<v8::Value>::Length(); }
-  V8_INLINE Local<Value> operator[](int i) const {
-    return v8::FunctionCallbackInfo<v8::Value>::operator[](i);
-  }
-
-  explicit ConsoleCallArguments(const v8::FunctionCallbackInfo<v8::Value>&);
-  explicit ConsoleCallArguments(internal::BuiltinArguments&);
-};
-
-// v8::FunctionCallbackInfo could be used for getting arguments only. Calling
-// of any other getter will produce a crash.
-class ConsoleDelegate {
- public:
-  virtual void Debug(const ConsoleCallArguments& args) {}
-  virtual void Error(const ConsoleCallArguments& args) {}
-  virtual void Info(const ConsoleCallArguments& args) {}
-  virtual void Log(const ConsoleCallArguments& args) {}
-  virtual void Warn(const ConsoleCallArguments& args) {}
-  virtual void Dir(const ConsoleCallArguments& args) {}
-  virtual void DirXml(const ConsoleCallArguments& args) {}
-  virtual void Table(const ConsoleCallArguments& args) {}
-  virtual void Trace(const ConsoleCallArguments& args) {}
-  virtual void Group(const ConsoleCallArguments& args) {}
-  virtual void GroupCollapsed(const ConsoleCallArguments& args) {}
-  virtual void GroupEnd(const ConsoleCallArguments& args) {}
-  virtual void Clear(const ConsoleCallArguments& args) {}
-  virtual void Count(const ConsoleCallArguments& args) {}
-  virtual void Assert(const ConsoleCallArguments& args) {}
-  virtual void MarkTimeline(const ConsoleCallArguments& args) {}
-  virtual void Profile(const ConsoleCallArguments& args) {}
-  virtual void ProfileEnd(const ConsoleCallArguments& args) {}
-  virtual void Timeline(const ConsoleCallArguments& args) {}
-  virtual void TimelineEnd(const ConsoleCallArguments& args) {}
-  virtual void Time(const ConsoleCallArguments& args) {}
-  virtual void TimeEnd(const ConsoleCallArguments& args) {}
-  virtual void TimeStamp(const ConsoleCallArguments& args) {}
-  virtual ~ConsoleDelegate() = default;
-};
-
 }  // namespace debug
 }  // namespace v8
 

src/inspector/inspected-context.cc

@@ -27,15 +27,17 @@ InspectedContext::InspectedContext(V8InspectorImpl* inspector,
   v8::Isolate* isolate = m_inspector->isolate();
   info.context->SetEmbedderData(static_cast<int>(v8::Context::kDebugIdIndex),
                                 v8::Int32::New(isolate, contextId));
-  if (!info.hasMemoryOnConsole) return;
-  v8::Context::Scope contextScope(info.context);
   v8::Local<v8::Object> global = info.context->Global();
-  v8::Local<v8::Value> console;
-  if (global->Get(info.context, toV8String(m_inspector->isolate(), "console"))
-          .ToLocal(&console) &&
-      console->IsObject()) {
-    m_inspector->console()->installMemoryGetter(
-        info.context, v8::Local<v8::Object>::Cast(console));
+  v8::Local<v8::Object> console =
+      m_inspector->console()->createConsole(info.context);
+  if (info.hasMemoryOnConsole) {
+    m_inspector->console()->installMemoryGetter(info.context, console);
+  }
+  if (!global
+           ->Set(info.context, toV8StringInternalized(isolate, "console"),
+                 console)
+           .FromMaybe(false)) {
+    return;
   }
 }
 

src/inspector/v8-console.cc

@@ -25,11 +25,11 @@ namespace {
 
 class ConsoleHelper {
  public:
-  ConsoleHelper(const v8::debug::ConsoleCallArguments& info,
+  explicit ConsoleHelper(const v8::FunctionCallbackInfo<v8::Value>& info,
                          V8InspectorImpl* inspector)
       : m_info(info),
-        m_isolate(inspector->isolate()),
-        m_context(m_isolate->GetCurrentContext()),
+        m_isolate(info.GetIsolate()),
+        m_context(info.GetIsolate()->GetCurrentContext()),
         m_inspector(inspector),
         m_contextId(InspectedContext::contextId(m_context)),
         m_groupId(m_inspector->contextGroupId(m_contextId)) {}
@@ -145,7 +145,7 @@ class ConsoleHelper {
   }
 
  private:
-  const v8::debug::ConsoleCallArguments& m_info;
+  const v8::FunctionCallbackInfo<v8::Value>& m_info;
   v8::Isolate* m_isolate;
   v8::Local<v8::Context> m_context;
   V8InspectorImpl* m_inspector = nullptr;
@@ -190,63 +190,66 @@ void createBoundFunctionProperty(v8::Local<v8::Context> context,
 
 V8Console::V8Console(V8InspectorImpl* inspector) : m_inspector(inspector) {}
 
-void V8Console::Debug(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::debugCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector).reportCall(ConsoleAPIType::kDebug);
 }
 
-void V8Console::Error(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::errorCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector).reportCall(ConsoleAPIType::kError);
 }
 
-void V8Console::Info(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::infoCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector).reportCall(ConsoleAPIType::kInfo);
 }
 
-void V8Console::Log(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::logCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector).reportCall(ConsoleAPIType::kLog);
 }
 
-void V8Console::Warn(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::warnCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector).reportCall(ConsoleAPIType::kWarning);
 }
 
-void V8Console::Dir(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::dirCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector).reportCall(ConsoleAPIType::kDir);
 }
 
-void V8Console::DirXml(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::dirxmlCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector).reportCall(ConsoleAPIType::kDirXML);
 }
 
-void V8Console::Table(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::tableCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector).reportCall(ConsoleAPIType::kTable);
 }
 
-void V8Console::Trace(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::traceCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector)
       .reportCallWithDefaultArgument(ConsoleAPIType::kTrace,
                                      String16("console.trace"));
 }
 
-void V8Console::Group(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::groupCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector)
       .reportCallWithDefaultArgument(ConsoleAPIType::kStartGroup,
                                      String16("console.group"));
 }
 
-void V8Console::GroupCollapsed(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::groupCollapsedCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector)
       .reportCallWithDefaultArgument(ConsoleAPIType::kStartGroupCollapsed,
                                      String16("console.groupCollapsed"));
 }
 
-void V8Console::GroupEnd(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::groupEndCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector)
       .reportCallWithDefaultArgument(ConsoleAPIType::kEndGroup,
                                      String16("console.groupEnd"));
 }
 
-void V8Console::Clear(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::clearCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper helper(info, m_inspector);
   if (!helper.groupId()) return;
   m_inspector->client()->consoleClear(helper.groupId());
@@ -254,7 +257,7 @@ void V8Console::Clear(const v8::debug::ConsoleCallArguments& info) {
                                        String16("console.clear"));
 }
 
-void V8Console::Count(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::countCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper helper(info, m_inspector);
   String16 title = helper.firstArgToString(String16());
   String16 identifier;
@@ -277,7 +280,8 @@ void V8Console::Count(const v8::debug::ConsoleCallArguments& info) {
       title.isEmpty() ? countString : (title + ": " + countString));
 }
 
-void V8Console::Assert(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::assertCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper helper(info, m_inspector);
   if (helper.firstArgToBoolean(false)) return;
 
@@ -285,7 +289,7 @@ void V8Console::Assert(const v8::debug::ConsoleCallArguments& info) {
   for (int i = 1; i < info.Length(); ++i) arguments.push_back(info[i]);
   if (info.Length() < 2)
     arguments.push_back(
-        toV8String(m_inspector->isolate(), String16("console.assert")));
+        toV8String(info.GetIsolate(), String16("console.assert")));
   helper.reportCall(ConsoleAPIType::kAssert, arguments);
 
   if (V8DebuggerAgentImpl* debuggerAgent = helper.debuggerAgent())
@@ -293,28 +297,31 @@ void V8Console::Assert(const v8::debug::ConsoleCallArguments& info) {
         protocol::Debugger::Paused::ReasonEnum::Assert, nullptr);
 }
 
-void V8Console::MarkTimeline(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::markTimelineCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector)
       .reportDeprecatedCall("V8Console#markTimelineDeprecated",
                             "'console.markTimeline' is "
                             "deprecated. Please use "
                             "'console.timeStamp' instead.");
-  TimeStamp(info);
+  timeStampCallback(info);
 }
 
-void V8Console::Profile(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::profileCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper helper(info, m_inspector);
   if (V8ProfilerAgentImpl* profilerAgent = helper.profilerAgent())
     profilerAgent->consoleProfile(helper.firstArgToString(String16()));
 }
 
-void V8Console::ProfileEnd(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::profileEndCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper helper(info, m_inspector);
   if (V8ProfilerAgentImpl* profilerAgent = helper.profilerAgent())
     profilerAgent->consoleProfileEnd(helper.firstArgToString(String16()));
 }
 
-static void timeFunction(const v8::debug::ConsoleCallArguments& info,
+static void timeFunction(const v8::FunctionCallbackInfo<v8::Value>& info,
                          bool timelinePrefix, V8InspectorImpl* inspector) {
   ConsoleHelper helper(info, inspector);
   String16 protocolTitle = helper.firstArgToString("default");
@@ -323,7 +330,7 @@ static void timeFunction(const v8::debug::ConsoleCallArguments& info,
   helper.consoleMessageStorage()->time(helper.contextId(), protocolTitle);
 }
 
-static void timeEndFunction(const v8::debug::ConsoleCallArguments& info,
+static void timeEndFunction(const v8::FunctionCallbackInfo<v8::Value>& info,
                             bool timelinePrefix, V8InspectorImpl* inspector) {
   ConsoleHelper helper(info, inspector);
   String16 protocolTitle = helper.firstArgToString("default");
@@ -336,7 +343,8 @@ static void timeEndFunction(const v8::debug::ConsoleCallArguments& info,
   helper.reportCallWithArgument(ConsoleAPIType::kTimeEnd, message);
 }
 
-void V8Console::Timeline(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::timelineCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector)
       .reportDeprecatedCall("V8Console#timeline",
                             "'console.timeline' is deprecated. Please use "
@@ -344,7 +352,8 @@ void V8Console::Timeline(const v8::debug::ConsoleCallArguments& info) {
   timeFunction(info, true, m_inspector);
 }
 
-void V8Console::TimelineEnd(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::timelineEndCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper(info, m_inspector)
       .reportDeprecatedCall("V8Console#timelineEnd",
                             "'console.timelineEnd' is "
@@ -353,15 +362,17 @@ void V8Console::TimelineEnd(const v8::debug::ConsoleCallArguments& info) {
   timeEndFunction(info, true, m_inspector);
 }
 
-void V8Console::Time(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::timeCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   timeFunction(info, false, m_inspector);
 }
 
-void V8Console::TimeEnd(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::timeEndCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   timeEndFunction(info, false, m_inspector);
 }
 
-void V8Console::TimeStamp(const v8::debug::ConsoleCallArguments& info) {
+void V8Console::timeStampCallback(
+    const v8::FunctionCallbackInfo<v8::Value>& info) {
   ConsoleHelper helper(info, m_inspector);
   String16 title = helper.firstArgToString(String16());
   m_inspector->client()->consoleTimeStamp(toStringView(title));
@@ -389,8 +400,7 @@ void V8Console::keysCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
   v8::Isolate* isolate = info.GetIsolate();
   info.GetReturnValue().Set(v8::Array::New(isolate));
 
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, m_inspector);
+  ConsoleHelper helper(info, m_inspector);
   v8::Local<v8::Object> obj;
   if (!helper.firstArgAsObject().ToLocal(&obj)) return;
   v8::Local<v8::Array> names;
@@ -404,8 +414,7 @@ void V8Console::valuesCallback(
   v8::Isolate* isolate = info.GetIsolate();
   info.GetReturnValue().Set(v8::Array::New(isolate));
 
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, m_inspector);
+  ConsoleHelper helper(info, m_inspector);
   v8::Local<v8::Object> obj;
   if (!helper.firstArgAsObject().ToLocal(&obj)) return;
   v8::Local<v8::Array> names;
@@ -444,8 +453,7 @@ static void setFunctionBreakpoint(ConsoleHelper& helper,
 
 void V8Console::debugFunctionCallback(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, m_inspector);
+  ConsoleHelper helper(info, m_inspector);
   v8::Local<v8::Function> function;
   if (!helper.firstArgAsFunction().ToLocal(&function)) return;
   setFunctionBreakpoint(helper, function,
@@ -455,8 +463,7 @@ void V8Console::debugFunctionCallback(
 
 void V8Console::undebugFunctionCallback(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, m_inspector);
+  ConsoleHelper helper(info, m_inspector);
   v8::Local<v8::Function> function;
   if (!helper.firstArgAsFunction().ToLocal(&function)) return;
   setFunctionBreakpoint(helper, function,
@@ -466,8 +473,7 @@ void V8Console::undebugFunctionCallback(
 
 void V8Console::monitorFunctionCallback(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, m_inspector);
+  ConsoleHelper helper(info, m_inspector);
   v8::Local<v8::Function> function;
   if (!helper.firstArgAsFunction().ToLocal(&function)) return;
   v8::Local<v8::Value> name = function->GetName();
@@ -490,8 +496,7 @@ void V8Console::monitorFunctionCallback(
 
 void V8Console::unmonitorFunctionCallback(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, m_inspector);
+  ConsoleHelper helper(info, m_inspector);
   v8::Local<v8::Function> function;
   if (!helper.firstArgAsFunction().ToLocal(&function)) return;
   setFunctionBreakpoint(helper, function,
@@ -501,8 +506,7 @@ void V8Console::unmonitorFunctionCallback(
 
 void V8Console::lastEvaluationResultCallback(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, m_inspector);
+  ConsoleHelper helper(info, m_inspector);
   InjectedScript* injectedScript = helper.injectedScript();
   if (!injectedScript) return;
   info.GetReturnValue().Set(injectedScript->lastEvaluationResult());
@@ -513,8 +517,7 @@ static void inspectImpl(const v8::FunctionCallbackInfo<v8::Value>& info,
   if (info.Length() < 1) return;
   if (!copyToClipboard) info.GetReturnValue().Set(info[0]);
 
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, inspector);
+  ConsoleHelper helper(info, inspector);
   InjectedScript* injectedScript = helper.injectedScript();
   if (!injectedScript) return;
   std::unique_ptr<protocol::Runtime::RemoteObject> wrappedObject;
@@ -544,8 +547,7 @@ void V8Console::copyCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
 void V8Console::inspectedObject(const v8::FunctionCallbackInfo<v8::Value>& info,
                                 unsigned num) {
   DCHECK(num < V8InspectorSessionImpl::kInspectedObjectBufferSize);
-  v8::debug::ConsoleCallArguments args(info);
-  ConsoleHelper helper(args, m_inspector);
+  ConsoleHelper helper(info, m_inspector);
   if (V8InspectorSessionImpl* session = helper.currentSession()) {
     V8InspectorSession::Inspectable* object = session->inspectedObject(num);
     v8::Isolate* isolate = info.GetIsolate();
@@ -556,6 +558,71 @@ void V8Console::inspectedObject(const v8::FunctionCallbackInfo<v8::Value>& info,
   }
 }
 
+v8::Local<v8::Object> V8Console::createConsole(v8::Local<v8::Context> context) {
+  v8::Context::Scope contextScope(context);
+  v8::Isolate* isolate = context->GetIsolate();
+  v8::MicrotasksScope microtasksScope(isolate,
+                                      v8::MicrotasksScope::kDoNotRunMicrotasks);
+
+  v8::Local<v8::Object> console = v8::Object::New(isolate);
+  bool success =
+      console->SetPrototype(context, v8::Object::New(isolate)).FromMaybe(false);
+  DCHECK(success);
+  USE(success);
+
+  v8::Local<v8::External> data = v8::External::New(isolate, this);
+  createBoundFunctionProperty(context, console, data, "debug",
+                              &V8Console::call<&V8Console::debugCallback>);
+  createBoundFunctionProperty(context, console, data, "error",
+                              &V8Console::call<&V8Console::errorCallback>);
+  createBoundFunctionProperty(context, console, data, "info",
+                              &V8Console::call<&V8Console::infoCallback>);
+  createBoundFunctionProperty(context, console, data, "log",
+                              &V8Console::call<&V8Console::logCallback>);
+  createBoundFunctionProperty(context, console, data, "warn",
+                              &V8Console::call<&V8Console::warnCallback>);
+  createBoundFunctionProperty(context, console, data, "dir",
+                              &V8Console::call<&V8Console::dirCallback>);
+  createBoundFunctionProperty(context, console, data, "dirxml",
+                              &V8Console::call<&V8Console::dirxmlCallback>);
+  createBoundFunctionProperty(context, console, data, "table",
+                              &V8Console::call<&V8Console::tableCallback>);
+  createBoundFunctionProperty(context, console, data, "trace",
+                              &V8Console::call<&V8Console::traceCallback>);
+  createBoundFunctionProperty(context, console, data, "group",
+                              &V8Console::call<&V8Console::groupCallback>);
+  createBoundFunctionProperty(
+      context, console, data, "groupCollapsed",
+      &V8Console::call<&V8Console::groupCollapsedCallback>);
+  createBoundFunctionProperty(context, console, data, "groupEnd",
+                              &V8Console::call<&V8Console::groupEndCallback>);
+  createBoundFunctionProperty(context, console, data, "clear",
+                              &V8Console::call<&V8Console::clearCallback>);
+  createBoundFunctionProperty(context, console, data, "count",
+                              &V8Console::call<&V8Console::countCallback>);
+  createBoundFunctionProperty(context, console, data, "assert",
+                              &V8Console::call<&V8Console::assertCallback>);
+  createBoundFunctionProperty(
+      context, console, data, "markTimeline",
+      &V8Console::call<&V8Console::markTimelineCallback>);
+  createBoundFunctionProperty(context, console, data, "profile",
+                              &V8Console::call<&V8Console::profileCallback>);
+  createBoundFunctionProperty(context, console, data, "profileEnd",
+                              &V8Console::call<&V8Console::profileEndCallback>);
+  createBoundFunctionProperty(context, console, data, "timeline",
+                              &V8Console::call<&V8Console::timelineCallback>);
+  createBoundFunctionProperty(
+      context, console, data, "timelineEnd",
+      &V8Console::call<&V8Console::timelineEndCallback>);
+  createBoundFunctionProperty(context, console, data, "time",
+                              &V8Console::call<&V8Console::timeCallback>);
+  createBoundFunctionProperty(context, console, data, "timeEnd",
+                              &V8Console::call<&V8Console::timeEndCallback>);
+  createBoundFunctionProperty(context, console, data, "timeStamp",
+                              &V8Console::call<&V8Console::timeStampCallback>);
+  return console;
+}
+
 void V8Console::installMemoryGetter(v8::Local<v8::Context> context,
                                     v8::Local<v8::Object> console) {
   v8::Isolate* isolate = context->GetIsolate();
@@ -587,24 +654,24 @@ v8::Local<v8::Object> V8Console::createCommandLineAPI(
 
   v8::Local<v8::External> data = v8::External::New(isolate, this);
   createBoundFunctionProperty(context, commandLineAPI, data, "dir",
-                              &V8Console::call<&V8Console::Dir>,
+                              &V8Console::call<&V8Console::dirCallback>,
                               "function dir(value) { [Command Line API] }");
   createBoundFunctionProperty(context, commandLineAPI, data, "dirxml",
-                              &V8Console::call<&V8Console::DirXml>,
+                              &V8Console::call<&V8Console::dirxmlCallback>,
                               "function dirxml(value) { [Command Line API] }");
   createBoundFunctionProperty(context, commandLineAPI, data, "profile",
-                              &V8Console::call<&V8Console::Profile>,
+                              &V8Console::call<&V8Console::profileCallback>,
                               "function profile(title) { [Command Line API] }");
   createBoundFunctionProperty(
       context, commandLineAPI, data, "profileEnd",
-      &V8Console::call<&V8Console::ProfileEnd>,
+      &V8Console::call<&V8Console::profileEndCallback>,
       "function profileEnd(title) { [Command Line API] }");
   createBoundFunctionProperty(context, commandLineAPI, data, "clear",
-                              &V8Console::call<&V8Console::Clear>,
+                              &V8Console::call<&V8Console::clearCallback>,
                               "function clear() { [Command Line API] }");
   createBoundFunctionProperty(
       context, commandLineAPI, data, "table",
-      &V8Console::call<&V8Console::Table>,
+      &V8Console::call<&V8Console::tableCallback>,
       "function table(data, [columns]) { [Command Line API] }");
 
   createBoundFunctionProperty(context, commandLineAPI, data, "keys",

src/inspector/v8-console.h

@@ -8,7 +8,6 @@
 #include "src/base/macros.h"
 
 #include "include/v8.h"
-#include "src/debug/interface-types.h"
 
 namespace v8_inspector {
 
@@ -17,8 +16,9 @@ class V8InspectorImpl;
 
 // Console API
 // https://console.spec.whatwg.org/#console-interface
-class V8Console : public v8::debug::ConsoleDelegate {
+class V8Console {
  public:
+  v8::Local<v8::Object> createConsole(v8::Local<v8::Context> context);
   v8::Local<v8::Object> createCommandLineAPI(v8::Local<v8::Context> context);
   void installMemoryGetter(v8::Local<v8::Context> context,
                            v8::Local<v8::Object> console);
@@ -49,29 +49,29 @@ class V8Console : public v8::debug::ConsoleDelegate {
   explicit V8Console(V8InspectorImpl* inspector);
 
  private:
-  void Debug(const v8::debug::ConsoleCallArguments&) override;
-  void Error(const v8::debug::ConsoleCallArguments&) override;
-  void Info(const v8::debug::ConsoleCallArguments&) override;
-  void Log(const v8::debug::ConsoleCallArguments&) override;
-  void Warn(const v8::debug::ConsoleCallArguments&) override;
-  void Dir(const v8::debug::ConsoleCallArguments&) override;
-  void DirXml(const v8::debug::ConsoleCallArguments&) override;
-  void Table(const v8::debug::ConsoleCallArguments&) override;
-  void Trace(const v8::debug::ConsoleCallArguments&) override;
-  void Group(const v8::debug::ConsoleCallArguments&) override;
-  void GroupCollapsed(const v8::debug::ConsoleCallArguments&) override;
-  void GroupEnd(const v8::debug::ConsoleCallArguments&) override;
-  void Clear(const v8::debug::ConsoleCallArguments&) override;
-  void Count(const v8::debug::ConsoleCallArguments&) override;
-  void Assert(const v8::debug::ConsoleCallArguments&) override;
-  void MarkTimeline(const v8::debug::ConsoleCallArguments&) override;
-  void Profile(const v8::debug::ConsoleCallArguments&) override;
-  void ProfileEnd(const v8::debug::ConsoleCallArguments&) override;
-  void Timeline(const v8::debug::ConsoleCallArguments&) override;
-  void TimelineEnd(const v8::debug::ConsoleCallArguments&) override;
-  void Time(const v8::debug::ConsoleCallArguments&) override;
-  void TimeEnd(const v8::debug::ConsoleCallArguments&) override;
-  void TimeStamp(const v8::debug::ConsoleCallArguments&) override;
+  void debugCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void errorCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void infoCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void logCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void warnCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void dirCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void dirxmlCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void tableCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void traceCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void groupCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void groupCollapsedCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void groupEndCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void clearCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void countCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void assertCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void markTimelineCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void profileCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void profileEndCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void timelineCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void timelineEndCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void timeCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void timeEndCallback(const v8::FunctionCallbackInfo<v8::Value>&);
+  void timeStampCallback(const v8::FunctionCallbackInfo<v8::Value>&);
 
   template <void (V8Console::*func)(const v8::FunctionCallbackInfo<v8::Value>&)>
   static void call(const v8::FunctionCallbackInfo<v8::Value>& info) {
@@ -79,13 +79,6 @@ class V8Console : public v8::debug::ConsoleDelegate {
         static_cast<V8Console*>(info.Data().As<v8::External>()->Value());
     (console->*func)(info);
   }
-  template <void (V8Console::*func)(const v8::debug::ConsoleCallArguments&)>
-  static void call(const v8::FunctionCallbackInfo<v8::Value>& info) {
-    V8Console* console =
-        static_cast<V8Console*>(info.Data().As<v8::External>()->Value());
-    v8::debug::ConsoleCallArguments args(info);
-    (console->*func)(args);
-  }
 
   // TODO(foolip): There is no spec for the Memory Info API, see blink-dev:
   // https://groups.google.com/a/chromium.org/d/msg/blink-dev/g5YRCGpC9vs/b4OJz71NmPwJ

src/inspector/v8-inspector-impl.cc

@@ -56,13 +56,9 @@ V8InspectorImpl::V8InspectorImpl(v8::Isolate* isolate,
       m_debugger(new V8Debugger(isolate, this)),
       m_capturingStackTracesCount(0),
       m_lastExceptionId(0),
-      m_lastContextId(0) {
-  v8::debug::SetConsoleDelegate(m_isolate, console());
-}
+      m_lastContextId(0) {}
 
-V8InspectorImpl::~V8InspectorImpl() {
-  v8::debug::SetConsoleDelegate(m_isolate, nullptr);
-}
+V8InspectorImpl::~V8InspectorImpl() {}
 
 int V8InspectorImpl::contextGroupId(v8::Local<v8::Context> context) {
   return contextGroupId(InspectedContext::contextId(context));

src/isolate.h

@@ -32,10 +32,6 @@ namespace base {
 class RandomNumberGenerator;
 }
 
-namespace debug {
-class ConsoleDelegate;
-}
-
 namespace internal {
 
 class AccessCompilerData;
@@ -741,11 +737,6 @@ class Isolate {
     return MaybeHandle<T>();
   }
 
-  void set_console_delegate(debug::ConsoleDelegate* delegate) {
-    console_delegate_ = delegate;
-  }
-  debug::ConsoleDelegate* console_delegate() { return console_delegate_; }
-
   // Re-throw an exception.  This involves no error reporting since error
   // reporting was handled when the exception was thrown originally.
   Object* ReThrow(Object* exception);
@@ -1541,8 +1532,6 @@ class Isolate {
 
   CancelableTaskManager* cancelable_task_manager_;
 
-  debug::ConsoleDelegate* console_delegate_ = nullptr;
-
   v8::Isolate::AbortOnUncaughtExceptionCallback
       abort_on_uncaught_exception_callback_;
 

src/v8.gyp

@@ -493,7 +493,6 @@
         'builtins/builtins-boolean-gen.cc',
         'builtins/builtins-call.cc',
         'builtins/builtins-callsite.cc',
-        'builtins/builtins-console.cc',
         'builtins/builtins-constructor-gen.cc',
         'builtins/builtins-constructor-gen.h',
         'builtins/builtins-constructor.h',

test/inspector/inspector-impl.cc

@@ -207,7 +207,6 @@ void InspectorClientImpl::disconnect() {
     states_[it.first] = it.second->stateJSON();
   }
   sessions_.clear();
-  inspector_.reset();
 }
 
 void InspectorClientImpl::scheduleCreateContextGroup(

test/inspector/runtime/console-spec-expected.txt

-
-Running test: consoleExistsOnGlobal
-true
-
-Running test: consoleHasRightPropertyDescriptor
-{
-    configurable : true
-    enumerable : false
-    value : <value>
-    writable : true
-}
-
-Running test: ConsoleNotExistsOnGlobal
-false
-
-Running test: prototypeChainMustBeCorrect
-true

test/inspector/runtime/console-spec.js

-// Copyright 2017 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-InspectorTest.addScript(`
-var self = this;
-function checkPrototype() {
-  const prototype1 = Object.getPrototypeOf(console);
-  const prototype2 = Object.getPrototypeOf(prototype1);
-  if (Object.getOwnPropertyNames(prototype1).length !== 0)
-    return "false: The [[Prototype]] must have no properties";
-  if (prototype2 !== Object.prototype)
-    return "false: The [[Prototype]]'s [[Prototype]] must be %ObjectPrototype%";
-  return "true";
-}
-`);
-
-InspectorTest.runAsyncTestSuite([
-  async function consoleExistsOnGlobal() {
-    let message = await Protocol.Runtime.evaluate({
-      expression: 'self.hasOwnProperty(\'console\')', returnByValue: true});
-    InspectorTest.log(message.result.result.value);
-  },
-
-  async function consoleHasRightPropertyDescriptor() {
-    let message = await Protocol.Runtime.evaluate({
-      expression: 'Object.getOwnPropertyDescriptor(self, \'console\')',
-      returnByValue: true});
-    let result = message.result.result.value;
-    result.value = '<value>';
-    InspectorTest.logObject(result);
-  },
-
-  async function ConsoleNotExistsOnGlobal() {
-    let message = await Protocol.Runtime.evaluate({
-      expression: '\'Console\' in self', returnByValue: true})
-    InspectorTest.log(message.result.result.value);
-  },
-
-  async function prototypeChainMustBeCorrect() {
-    let message = await Protocol.Runtime.evaluate({
-      expression: "checkPrototype()", returnByValue: true });
-    InspectorTest.log(message.result.result.value);
-  }
-]);