Use new V8 Microtask Queue API

Source/bindings/v8/V8PerIsolateData.h

 /*
  * 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 88 matching lines @@
     GCEventData* gcEventData() { return m_gcEventData.get(); }
     V8HiddenValue* hiddenValue() { return m_hiddenValue.get(); }
 
     v8::Handle<v8::FunctionTemplate> domTemplate(WrapperWorldType, void* domTemplateKey, v8::FunctionCallback = 0, v8::Handle<v8::Value> data = v8::Handle<v8::Value>(), v8::Handle<v8::Signature> = v8::Handle<v8::Signature>(), int length = 0);
     v8::Handle<v8::FunctionTemplate> existingDOMTemplate(WrapperWorldType, void* domTemplateKey);
     void setDOMTemplate(WrapperWorldType, void* domTemplateKey, v8::Handle<v8::FunctionTemplate>);
 
     bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>);
     v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>);
 
-    v8::Local<v8::Context> ensureRegexContext();
+    v8::Local<v8::Context> ensureDomInJSContext();
 
     const char* previousSamplingState() const { return m_previousSamplingState; }
     void setPreviousSamplingState(const char* name) { m_previousSamplingState = name; }
 
 private:
     explicit V8PerIsolateData(v8::Isolate*);
     ~V8PerIsolateData();
     bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>, TemplateMap&);
     v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>, TemplateMap&);
 
     v8::Isolate* m_isolate;
     OwnPtr<gin::IsolateHolder> m_isolateHolder;
     bool m_isMainThread; // Caches the result of isMainThread() for performance.
     TemplateMap m_templatesForMainWorld;
     TemplateMap m_templatesForNonMainWorld;
     ScopedPersistent<v8::FunctionTemplate> m_toStringTemplate;
     OwnPtr<StringCache> m_stringCache;
 
     OwnPtr<V8HiddenValue> m_hiddenValue;
     ScopedPersistent<v8::Value> m_liveRoot;
-    ScopedPersistent<v8::Context> m_regexContext;
+    ScopedPersistent<v8::Context> m_domInJSContext;
 
     const char* m_previousSamplingState;
 
     bool m_constructorMode;
     friend class ConstructorMode;
 
     int m_recursionLevel;
 
 #ifndef NDEBUG
     int m_internalScriptRecursionLevel;
 #endif
     OwnPtr<GCEventData> m_gcEventData;
     bool m_performingMicrotaskCheckpoint;
 };
 
 } // namespace WebCore
 
 #endif // V8PerIsolateData_h