Remove m_layerTreeView from WebViewImpl.

sky/engine/public/web/WebWidget.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 89 matching lines @@
 
     // Called to paint the rectangular region within the WebWidget
     // onto the specified canvas at (viewPort.x,viewPort.y). You MUST call
     // Layout before calling this method. It is okay to call paint
     // multiple times once layout has been called, assuming no other
     // changes are made to the WebWidget (e.g., once events are
     // processed, it should be assumed that another call to layout is
     // warranted before painting again).
     virtual void paint(WebCanvas*, const WebRect& viewPort) { }
 
-    virtual void paintCompositedDeprecated(WebCanvas*, const WebRect&) { }
-
-    // The caller is responsible for keeping the WebCompositeAndReadbackAsyncCallback
-    // object alive until it is called. This should only be called when
-    // isAcceleratedCompositingActive() is true.
-    virtual void compositeAndReadbackAsync(WebCompositeAndReadbackAsyncCallback*) { }
-
     // Returns true if we've started tracking repaint rectangles.
     virtual bool isTrackingRepaints() const { return false; }
 
     // Indicates that the compositing surface associated with this WebWidget is
     // ready to use.
     virtual void setCompositorSurfaceReady() { }
 
     // Called to inform the WebWidget of a change in theme.
     // Implementors that cache rendered copies of widgets need to re-render
     // on receiving this message
@@ skipping 71 matching lines @@
 
     // Fetch the current selection range of this WebWidget. If there is no
     // selection, it will output a 0-length range with the location at the
     // caret. Returns true and fills the out-paramters on success; returns false
     // on failure.
     virtual bool caretOrSelectionRange(size_t* location, size_t* length) { return false; }
 
     // Changes the text direction of the selected input node.
     virtual void setTextDirection(WebTextDirection) { }
 
-    // Returns true if the WebWidget uses GPU accelerated compositing
-    // to render its contents.
-    virtual bool isAcceleratedCompositingActive() const { return false; }
-
-    // The WebLayerTreeView initialized on this WebWidgetClient will be going away and
-    // is no longer safe to access.
-    virtual void willCloseLayerTreeView() { }
-
     // Calling WebWidgetClient::requestPointerLock() will result in one
     // return call to didAcquirePointerLock() or didNotAcquirePointerLock().
     virtual void didAcquirePointerLock() { }
     virtual void didNotAcquirePointerLock() { }
 
     // Pointer lock was held, but has been lost. This may be due to a
     // request via WebWidgetClient::requestPointerUnlock(), or for other
     // reasons such as the user exiting lock, window focus changing, etc.
     virtual void didLosePointerLock() { }
 
     // The page background color. Can be used for filling in areas without
     // content.
     virtual WebColor backgroundColor() const { return 0xFFFFFFFF; /* SK_ColorWHITE */ }
 
 protected:
     ~WebWidget() { }
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_PUBLIC_WEB_WEBWIDGET_H_