Enqueue Blink microtasks using V8's C++ API

Source/bindings/v8/V8PerIsolateData.h

Index: Source/bindings/v8/V8PerIsolateData.h
diff --git a/Source/bindings/v8/V8PerIsolateData.h b/Source/bindings/v8/V8PerIsolateData.h
index ce8c70649aadb6cc94f02eaa0069f27c62ad6200..ead107cfd1fadf46521c51fd45fee0953aeae0f4 100644
--- a/Source/bindings/v8/V8PerIsolateData.h
+++ b/Source/bindings/v8/V8PerIsolateData.h
@@ -92,8 +92,7 @@ public:
     bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>);
     v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Handle<v8::Value>);
 
-    // FIXME: This method should go away, because we shouldn't need a random context to be able to enqueue microtasks.
-    v8::Local<v8::Context> ensureDomInJSContext();
+    v8::Local<v8::Context> ensureScriptRegexpContext();
 
     const char* previousSamplingState() const { return m_previousSamplingState; }
     void setPreviousSamplingState(const char* name) { m_previousSamplingState = name; }
@@ -115,7 +114,7 @@ private:
     OwnPtr<StringCache> m_stringCache;
     OwnPtr<V8HiddenValue> m_hiddenValue;
     ScopedPersistent<v8::Value> m_liveRoot;
-    RefPtr<ScriptState> m_blinkInJSScriptState;
+    RefPtr<ScriptState> m_scriptRegexpScriptState;
 
     const char* m_previousSamplingState;