[api] Remove deprecated functions

Removes all V8_DEPRECATED functions that weren't recently marked as well
any V8_DEPRECATE_SOON function that relied on using the address of
an object to get hold of the Isolate.

Normally we would have advanced the V8_DEPRECATE_SOON methods to
V8_DEPRECATE in this release and removed them in the follow release, but
their continuing presence blocks the work on creating a shared
Read-Only space where some objects would not belong to any single
Isolate. In preparation chromium and node.js (via the v8/node github)
have been modified in advance.

Bug: v8:7786
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I8b4b06189896d94aff908ebcd121b3b38f9b482a
Reviewed-on: https://chromium-review.googlesource.com/1154915
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54915}

src/isolate.cc

@@ -2216,14 +2216,6 @@ void Isolate::SetAbortOnUncaughtExceptionCallback(
   abort_on_uncaught_exception_callback_ = callback;
 }
 
-Handle<Context> Isolate::GetCallingNativeContext() {
-  JavaScriptFrameIterator it(this);
-  if (it.done()) return Handle<Context>::null();
-  JavaScriptFrame* frame = it.frame();
-  Context* context = Context::cast(frame->context());
-  return Handle<Context>(context->native_context(), this);
-}
-
 Handle<Context> Isolate::GetIncumbentContext() {
   JavaScriptFrameIterator it(this);
 

src/isolate.h

@@ -868,10 +868,6 @@ class Isolate : private HiddenFactory {
   inline Handle<Context> native_context();
   inline Context* raw_native_context();
 
-  // Returns the native context of the calling JavaScript code.  That
-  // is, the native context of the top-most JavaScript frame.
-  Handle<Context> GetCallingNativeContext();
-
   Handle<Context> GetIncumbentContext();
 
   void RegisterTryCatchHandler(v8::TryCatch* that);
@@ -1787,9 +1783,6 @@ class Isolate : private HiddenFactory {
   friend class v8::Locker;
   friend class v8::SnapshotCreator;
   friend class v8::Unlocker;
-  friend v8::StartupData v8::V8::CreateSnapshotDataBlob(const char*);
-  friend v8::StartupData v8::V8::WarmUpSnapshotDataBlob(v8::StartupData,
-                                                        const char*);
 
   DISALLOW_COPY_AND_ASSIGN(Isolate);
 };