shouldPreventDefault  153 Source/bindings/v8/V8AbstractEventListener.cpp     if (m_isAttribute && shouldPreventDefault(returnValue))
shouldPreventDefault  133 Source/bindings/v8/V8AbstractEventListener.h         virtual bool shouldPreventDefault(v8::Local<v8::Value> returnValue);
shouldPreventDefault   56 Source/bindings/v8/V8ErrorHandler.h     virtual bool shouldPreventDefault(v8::Local<v8::Value> returnValue) OVERRIDE;