WebLayerTreeView and WebWidget API cleanup

Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 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 120 matching lines @@
     virtual void willEnterFullScreen();
     virtual void didEnterFullScreen();
     virtual void willExitFullScreen();
     virtual void didExitFullScreen();
     virtual void animate(double);
     virtual void layout();
     virtual void enterForceCompositingMode(bool enable) OVERRIDE;
     virtual void paint(WebCanvas*, const WebRect&, PaintOptions = ReadbackFromCompositorIfAvailable);
     virtual bool isTrackingRepaints() const OVERRIDE;
     virtual void themeChanged();
-    virtual void setNeedsRedraw();
     virtual bool handleInputEvent(const WebInputEvent&);
     virtual void setCursorVisibilityState(bool isVisible);
     virtual bool hasTouchEventHandlersAt(const WebPoint&);
     virtual void applyScrollAndScale(const WebSize&, float);
     virtual void mouseCaptureLost();
     virtual void setFocus(bool enable);
     virtual bool setComposition(
         const WebString& text,
         const WebVector<WebCompositionUnderline>& underlines,
         int selectionStart,
@@ skipping 676 matching lines @@
 inline WebViewImpl* toWebViewImpl(WebView* webView)
 {
     // We have no ways to check if the specified WebView is an instance of
     // WebViewImpl because WebViewImpl is the only implementation of WebView.
     return static_cast<WebViewImpl*>(webView);
 }
 
 } // namespace blink
 
 #endif