WIP - compositor worker mega patch.

third_party/WebKit/Source/web/WebViewImpl.h

Index: third_party/WebKit/Source/web/WebViewImpl.h
diff --git a/third_party/WebKit/Source/web/WebViewImpl.h b/third_party/WebKit/Source/web/WebViewImpl.h
index cc4c3254cb80633e2c82726c03aa3078a29c2026..c47ba457cd9cdd1f48fe23d965d5d09dd43f484b 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.h
+++ b/third_party/WebKit/Source/web/WebViewImpl.h
@@ -86,6 +86,7 @@ class WebLayerTreeView;
 class WebLocalFrame;
 class WebLocalFrameImpl;
 class WebImage;
+class CompositorMutatorImpl;
 class WebPagePopupImpl;
 class WebPlugin;
 class WebRemoteFrame;
@@ -131,6 +132,8 @@ public:
         const WebFloatSize& elasticOverscrollDelta,
         float pageScaleDelta,
         float topControlsShownRatioDelta) override;
+
+    void applyMutations(const WebCompositorMutations&) override;
     void recordFrameTimingEvent(enum FrameTimingEventType, int64_t, const WebVector<WebFrameTimingEvent>&) override;
     void mouseCaptureLost() override;
     void setFocus(bool enable) override;
@@ -517,6 +520,10 @@ public:
     void forceNextWebGLContextCreationToFail() override;
     void forceNextDrawingBufferCreationToFail() override;
 
+    CompositorProxyClient* createCompositorProxyClient() override;
+    void schedulePostCommitTask(PassOwnPtr<Closure>);
+    void didCommit() override;
+
     IntSize mainFrameSize();
     WebDisplayMode displayMode() const { return m_displayMode; }
 
@@ -765,6 +772,10 @@ private:
 
     FloatSize m_elasticOverscroll;
 
+    OwnPtr<CompositorMutatorImpl> m_mutator;
+
+    Vector<OwnPtr<WTF::Closure>> m_postCommitTasks;
+
     RefPtrWillBePersistent<EventListener> m_popupMouseWheelEventListener;
 
     WebPageImportanceSignals m_pageImportanceSignals;