WIP - compositor worker mega patch.

third_party/WebKit/public/web/WebView.h

Index: third_party/WebKit/public/web/WebView.h
diff --git a/third_party/WebKit/public/web/WebView.h b/third_party/WebKit/public/web/WebView.h
index 18b2e9dd47d0958c1d1ebd9dc4ed86d61e9e7301..26e06c0bdcacd46918b77d01dc2a9afb1c228308 100644
--- a/third_party/WebKit/public/web/WebView.h
+++ b/third_party/WebKit/public/web/WebView.h
@@ -44,6 +44,7 @@
 
 namespace blink {
 
+class CompositorProxyClient;
 class WebAXObject;
 class WebAutofillClient;
 class WebCompositedDisplayList;
@@ -487,6 +488,12 @@ public:
     // context's ability to deal with that failure gracefully can be tested.
     virtual void forceNextDrawingBufferCreationToFail() = 0;
 
+    // CompositorWorker -----------------------------------------------------
+
+    // Initializes the compositor worker machinery and ensures that it is
+    // plumbed to the compositor.
+    virtual CompositorProxyClient* createCompositorProxyClient() = 0;
+
 protected:
     ~WebView() {}
 };