Delete most of rendering/compositing.

sky/engine/public/web/WebFrame.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 282 matching lines @@
     // Returns the bounds rect for current selection. If selection is performed
     // on transformed text, the rect will still bound the selection but will
     // not be transformed itself. If no selection is present, the rect will be
     // empty ((0,0), (0,0)).
     virtual WebRect selectionBoundsRect() const = 0;
 
     // Only for testing purpose:
     // Returns true if selection.anchorNode has a marker on range from |from| with |length|.
     virtual bool selectionStartHasSpellingMarkerFor(int from, int length) const = 0;
 
-    // Dumps the layer tree, used by the accelerated compositor, in
-    // text form. This is used only by layout tests.
-    virtual WebString layerTreeAsText(bool showDebugInfo = false) const = 0;
-
 #if BLINK_IMPLEMENTATION
     static WebFrame* fromFrame(Frame*);
 #endif
 
 protected:
     explicit WebFrame();
     virtual ~WebFrame();
 
 private:
 };
 
 #if BLINK_IMPLEMENTATION
 Frame* toCoreFrame(const WebFrame*);
 #endif
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_PUBLIC_WEB_WEBFRAME_H_