[profiler] Remove deprecated TracingCpuProfiler from API.

Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I99b98fc131e90788902662e6cb837d93168c93fc
Reviewed-on: https://chromium-review.googlesource.com/1169921Reviewed-by: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Alexei Filippov <alph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55198}

include/v8-profiler.h

@@ -47,24 +47,6 @@ template class V8_EXPORT std::vector<v8::CpuProfileDeoptInfo>;
 
 namespace v8 {
 
-/**
- * TracingCpuProfiler monitors tracing being enabled/disabled
- * and emits CpuProfile trace events once v8.cpu_profiler tracing category
- * is enabled. It has no overhead unless the category is enabled.
- */
-class V8_EXPORT TracingCpuProfiler {
- public:
-  V8_DEPRECATED(
-      "The profiler is created automatically with the isolate.\n"
-      "No need to create it explicitly.",
-      static std::unique_ptr<TracingCpuProfiler> Create(Isolate*));
-
-  virtual ~TracingCpuProfiler() = default;
-
- protected:
-  TracingCpuProfiler() = default;
-};
-
 // TickSample captures the information collected for each sample.
 struct TickSample {
   // Internal profiling (with --prof + tools/$OS-tick-processor) wants to

src/profiler/tracing-cpu-profiler.cc

@@ -9,15 +9,6 @@
 #include "src/v8.h"
 
 namespace v8 {
-
-std::unique_ptr<TracingCpuProfiler> TracingCpuProfiler::Create(
-    v8::Isolate* isolate) {
-  // Dummy profiler that does nothing.
-  // Remove it along with the deprecated code.
-  // The actual profiler is created by the isolate itself.
-  return std::unique_ptr<TracingCpuProfiler>(new TracingCpuProfiler());
-}
-
 namespace internal {
 
 TracingCpuProfilerImpl::TracingCpuProfilerImpl(Isolate* isolate)

src/profiler/tracing-cpu-profiler.h

@@ -6,7 +6,6 @@
 #define V8_PROFILER_TRACING_CPU_PROFILER_H_
 
 #include "include/v8-platform.h"
-#include "include/v8-profiler.h"
 #include "src/base/atomic-utils.h"
 #include "src/base/macros.h"
 #include "src/base/platform/mutex.h"
@@ -18,8 +17,7 @@ class CpuProfiler;
 class Isolate;
 
 class TracingCpuProfilerImpl final
-    : public TracingCpuProfiler,
-      private v8::TracingController::TraceStateObserver {
+    : private v8::TracingController::TraceStateObserver {
  public:
   explicit TracingCpuProfilerImpl(Isolate*);
   ~TracingCpuProfilerImpl();