Revert of Execute end of scope tasks in isolate's MicrotasksCompletedCallback.

third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 30 matching lines @@
 
 namespace blink {
 
 static V8PerIsolateData* mainThreadPerIsolateData = 0;
 
 static void beforeCallEnteredCallback(v8::Isolate* isolate)
 {
     RELEASE_ASSERT(!ScriptForbiddenScope::isScriptForbidden());
 }
 
-static void microtasksCompletedCallback(v8::Isolate* isolate)
-{
-    V8PerIsolateData::from(isolate)->runEndOfScopeTasks();
-}
-
 #if ENABLE(ASSERT)
 static void assertV8RecursionScope(v8::Isolate* isolate)
 {
     ASSERT(V8RecursionScope::properlyUsed(isolate));
 }
 
 static bool runningUnitTest()
 {
     return Platform::current()->unitTestSupport();
 }
@@ skipping 90 matching lines @@
 #endif
     , m_performingMicrotaskCheckpoint(false)
 {
     // FIXME: Remove once all v8::Isolate::GetCurrent() calls are gone.
     isolate()->Enter();
 #if ENABLE(ASSERT)
     if (!runningUnitTest())
         isolate()->AddCallCompletedCallback(&assertV8RecursionScope);
 #endif
     isolate()->AddBeforeCallEnteredCallback(&beforeCallEnteredCallback);
-    isolate()->AddMicrotasksCompletedCallback(&microtasksCompletedCallback);
     if (isMainThread())
         mainThreadPerIsolateData = this;
     isolate()->SetUseCounterCallback(&useCounterCallback);
 }
 
 V8PerIsolateData::~V8PerIsolateData()
 {
 }
 
 v8::Isolate* V8PerIsolateData::mainThreadIsolate()
@@ skipping 40 matching lines @@
 
 // destroy() clear things that should be cleared after ThreadState::detach()
 // gets called but before the Isolate exits.
 void V8PerIsolateData::destroy(v8::Isolate* isolate)
 {
 #if ENABLE(ASSERT)
     if (!runningUnitTest())
         isolate->RemoveCallCompletedCallback(&assertV8RecursionScope);
 #endif
     isolate->RemoveBeforeCallEnteredCallback(&beforeCallEnteredCallback);
-    isolate->RemoveMicrotasksCompletedCallback(&microtasksCompletedCallback);
     V8PerIsolateData* data = from(isolate);
 
     // Clear everything before exiting the Isolate.
     if (data->m_scriptRegexpScriptState)
         data->m_scriptRegexpScriptState->disposePerContextData();
     data->m_liveRoot.clear();
     data->m_hiddenValue.clear();
     data->m_stringCache->dispose();
     data->m_stringCache.clear();
     data->m_domTemplateMapForNonMainWorld.clear();
@@ skipping 114 matching lines @@
     ASSERT(!m_threadDebugger);
     m_threadDebugger = std::move(threadDebugger);
 }
 
 ThreadDebugger* V8PerIsolateData::threadDebugger()
 {
     return m_threadDebugger.get();
 }
 
 } // namespace blink