WIP - compositor worker mega patch.

third_party/WebKit/Source/core/page/ChromeClient.h

Index: third_party/WebKit/Source/core/page/ChromeClient.h
diff --git a/third_party/WebKit/Source/core/page/ChromeClient.h b/third_party/WebKit/Source/core/page/ChromeClient.h
index d81655c6125b6a57827abf160267570026b17d4a..51224c9cd28001b83c856d4e843b4f79103c7e6c 100644
--- a/third_party/WebKit/Source/core/page/ChromeClient.h
+++ b/third_party/WebKit/Source/core/page/ChromeClient.h
@@ -45,6 +45,7 @@ namespace blink {
 class AXObject;
 class ColorChooser;
 class ColorChooserClient;
+class CompositorProxyClient;
 class DateTimeChooser;
 class DateTimeChooserClient;
 class Element;
@@ -251,6 +252,9 @@ public:
     virtual void registerPopupOpeningObserver(PopupOpeningObserver*) = 0;
     virtual void unregisterPopupOpeningObserver(PopupOpeningObserver*) = 0;
 
+    virtual CompositorProxyClient* createCompositorProxyClient() = 0;
+    virtual void schedulePostCommitTask(PassOwnPtr<Closure>) { }
+
     virtual FloatSize elasticOverscroll() const { return FloatSize(); }
 
     // Called when observed XHR, fetch, and other fetch request with non-GET