Use v8::MicrotasksScope internally in V8RecursionScope.

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

Index: third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.h b/third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.h
index 090fc85695f34eb6a7689dcf6ff0dba242b3cbd2..2cda3f4ed178432aabcb1f1a4c6f82699d53d08a 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.h
+++ b/third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.h
@@ -74,31 +74,18 @@ public:
 
     static void enableIdleTasks(v8::Isolate*, PassOwnPtr<gin::V8IdleTaskRunner>);
 
-    bool destructionPending() const { return m_destructionPending; }
     v8::Isolate* isolate() { return m_isolateHolder->isolate(); }
 
     StringCache* getStringCache() { return m_stringCache.get(); }
 
     v8::Persistent<v8::Value>& ensureLiveRoot();
 
-    int recursionLevel() const { return m_recursionLevel; }
-    int incrementRecursionLevel() { return ++m_recursionLevel; }
-    int decrementRecursionLevel() { return --m_recursionLevel; }
     bool isHandlingRecursionLevelError() const { return m_isHandlingRecursionLevelError; }
     void setIsHandlingRecursionLevelError(bool value) { m_isHandlingRecursionLevelError = value; }
 
     bool isReportingException() const { return m_isReportingException; }
     void setReportingException(bool value) { m_isReportingException = value; }
 
-    bool performingMicrotaskCheckpoint() const { return m_performingMicrotaskCheckpoint; }
-    void setPerformingMicrotaskCheckpoint(bool performingMicrotaskCheckpoint) { m_performingMicrotaskCheckpoint = performingMicrotaskCheckpoint; }
-
-#if ENABLE(ASSERT)
-    int internalScriptRecursionLevel() const { return m_internalScriptRecursionLevel; }
-    int incrementInternalScriptRecursionLevel() { return ++m_internalScriptRecursionLevel; }
-    int decrementInternalScriptRecursionLevel() { return --m_internalScriptRecursionLevel; }
-#endif
-
     V8HiddenValue* hiddenValue() { return m_hiddenValue.get(); }
 
     v8::Local<v8::FunctionTemplate> domTemplate(const void* domTemplateKey, v8::FunctionCallback = 0, v8::Local<v8::Value> data = v8::Local<v8::Value>(), v8::Local<v8::Signature> = v8::Local<v8::Signature>(), int length = 0);
@@ -131,7 +118,6 @@ private:
     bool hasInstance(const WrapperTypeInfo* untrusted, v8::Local<v8::Value>, DOMTemplateMap&);
     v8::Local<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Local<v8::Value>, DOMTemplateMap&);
 
-    bool m_destructionPending;
     OwnPtr<gin::IsolateHolder> m_isolateHolder;
     DOMTemplateMap m_domTemplateMapForMainWorld;
     DOMTemplateMap m_domTemplateMapForNonMainWorld;
@@ -143,15 +129,9 @@ private:
     bool m_constructorMode;
     friend class ConstructorMode;
 
-    int m_recursionLevel;
     bool m_isHandlingRecursionLevelError;
     bool m_isReportingException;
 
-#if ENABLE(ASSERT)
-    int m_internalScriptRecursionLevel;
-#endif
-    bool m_performingMicrotaskCheckpoint;
-
     Vector<OwnPtr<EndOfScopeTask>> m_endOfScopeTasks;
     OwnPtr<ThreadDebugger> m_threadDebugger;
 };