Implement the activation behavior of media elements (click to play/pause)

Source/core/html/HTMLMediaElement.h

Index: Source/core/html/HTMLMediaElement.h
diff --git a/Source/core/html/HTMLMediaElement.h b/Source/core/html/HTMLMediaElement.h
index ec8a1d081d7edef1286e83278894c8302e97ac50..36be90a0fbba902aeaca8dea4e8a3713c27624ce 100644
--- a/Source/core/html/HTMLMediaElement.h
+++ b/Source/core/html/HTMLMediaElement.h
@@ -162,6 +162,8 @@ public:
 
     virtual bool canPlay() const OVERRIDE FINAL;
 
+    void togglePlayState();
+
     PassRefPtr<TextTrack> addTextTrack(const AtomicString& kind, const AtomicString& label, const AtomicString& language, ExceptionState&);
     PassRefPtr<TextTrack> addTextTrack(const AtomicString& kind, const AtomicString& label, ExceptionState& exceptionState) { return addTextTrack(kind, label, emptyAtom, exceptionState); }
     PassRefPtr<TextTrack> addTextTrack(const AtomicString& kind, ExceptionState& exceptionState) { return addTextTrack(kind, emptyAtom, emptyAtom, exceptionState); }
@@ -403,7 +405,9 @@ private:
     void prepareMediaFragmentURI();
     void applyMediaFragmentURI();
 
+    virtual bool willRespondToMouseClickEvents() OVERRIDE FINAL;
     virtual void* preDispatchEventHandler(Event*) OVERRIDE FINAL;
+    virtual void defaultEventHandler(Event*) OVERRIDE FINAL;
 
     void changeNetworkStateFromLoadingToIdle();