Remove m_layerTreeView from WebViewImpl.

sky/engine/public/web/WebSettings.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 58 matching lines @@
     };
 
     enum HoverType {
         HoverTypeNone = 1,
         // Indicates that the primary pointing system can hover, but it requires
         // a significant action on the user’s part. e.g. hover on “long press”.
         HoverTypeOnDemand = 2,
         HoverTypeHover = 4
     };
 
-    virtual bool compositorIsEnabled() const = 0;
     virtual bool mainFrameResizesAreOrientationChanges() const = 0;
     virtual int availablePointerTypes() const = 0;
     virtual PointerType primaryPointerType() const = 0;
     virtual int availableHoverTypes() const = 0;
     virtual HoverType primaryHoverType() const = 0;
     virtual bool shrinksViewportContentToFit() const = 0;
     virtual void setAccelerated2dCanvasEnabled(bool) = 0;
     virtual void setAccelerated2dCanvasMSAASampleCount(int) = 0;
     virtual void setPreferCompositingToLCDTextEnabled(bool) = 0;
     // Not implemented yet, see http://crbug.com/178119
@@ skipping 58 matching lines @@
     virtual void setV8CacheOptions(V8CacheOptions) = 0;
     virtual void setWebGLErrorsToConsoleEnabled(bool) = 0;
 
 protected:
     ~WebSettings() { }
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_PUBLIC_WEB_WEBSETTINGS_H_