Support additional webkit accessibility notifications and states.

chrome/browser/renderer_host/render_widget_host_view.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_H_
 #pragma once
 
 #if defined(OS_MACOSX)
 #include <OpenGL/OpenGL.h>
@@ skipping 234 matching lines @@
     background_ = background;
   }
   const SkBitmap& background() const { return background_; }
 
   // Returns true if the native view, |native_view|, is contained within in the
   // widget associated with this RenderWidgetHostView.
   virtual bool ContainsNativeView(gfx::NativeView native_view) const = 0;
 
   virtual void UpdateAccessibilityTree(
       const webkit_glue::WebAccessibility& tree) { }
-  virtual void OnAccessibilityFocusChange(int acc_obj_id) { }
   virtual void OnAccessibilityNotifications(
       const std::vector<ViewHostMsg_AccessibilityNotification_Params>& params) {
   }
 
  protected:
   // Interface class only, do not construct.
   RenderWidgetHostView() : popup_type_(WebKit::WebPopupTypeNone) {}
 
   // Whether this view is a popup and what kind of popup it is (select,
   // autofill...).
   WebKit::WebPopupType popup_type_;
 
   // A custom background to paint behind the web content. This will be tiled
   // horizontally. Can be null, in which case we fall back to painting white.
   SkBitmap background_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostView);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_H_