Remove ENABLE(COMPOSITOR).

sky/engine/public/web/WebWidgetClient.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 37 matching lines @@
 
 class WebWidgetClient {
 public:
     // Called when a region of the WebWidget needs to be re-painted.
     virtual void didInvalidateRect(const WebRect&) { }
 
     // Called when the Widget has changed size as a result of an auto-resize.
     virtual void didAutoResize(const WebSize& newSize) { }
 
     // Initialize compositing for this widget.
-    // Return a compositing view used for this widget owned by the
-    // WebWidgetClient.
-    virtual WebLayerTreeView* initializeLayerTreeView() { BLINK_ASSERT_NOT_REACHED(); return 0; }
+    virtual void initializeLayerTreeView() { BLINK_ASSERT_NOT_REACHED(); };
 
     // Sometimes the WebWidget enters a state where it will generate a sequence
     // of invalidations that should not, by themselves, trigger the compositor
     // to schedule a new frame. This call indicates to the embedder that it
     // should suppress compositor scheduling temporarily.
     virtual void suppressCompositorScheduling(bool enable) { }
 
     // Indicates to the embedder that the compositor is about to begin a
     // frame. This is primarily to signal to flow control mechanisms that a
     // frame is beginning, not to perform actual painting work.
@@ skipping 93 matching lines @@
     // Request the browser to show the IME for current input type.
     virtual void showImeIfNeeded() { }
 
 protected:
     ~WebWidgetClient() { }
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_PUBLIC_WEB_WEBWIDGETCLIENT_H_