Make web content accessibility tree a descendant of main window's tree again

chrome/browser/renderer_host/render_widget_host_view_win.h

 // Copyright (c) 2011 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_WIN_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 59 matching lines @@
       public BrowserAccessibilityDelegate {
  public:
   // The view will associate itself with the given widget.
   explicit RenderWidgetHostViewWin(RenderWidgetHost* widget);
   virtual ~RenderWidgetHostViewWin();
 
   void CreateWnd(HWND parent);
 
   void ScheduleComposite();
 
+  IAccessible* GetIAccessible();
+
   DECLARE_WND_CLASS_EX(kRenderWidgetHostHWNDClass, CS_DBLCLKS, 0);
 
   BEGIN_MSG_MAP(RenderWidgetHostHWND)
     MSG_WM_CREATE(OnCreate)
     MSG_WM_ACTIVATE(OnActivate)
     MSG_WM_DESTROY(OnDestroy)
     MSG_WM_PAINT(OnPaint)
     MSG_WM_NCPAINT(OnNCPaint)
     MSG_WM_ERASEBKGND(OnEraseBkgnd)
     MSG_WM_SETCURSOR(OnSetCursor)
@@ skipping 267 matching lines @@
 
   // Registrar so we can listen to RENDERER_PROCESS_TERMINATED events.
   NotificationRegistrar registrar_;
 
   // Stores the current text input type received by ImeUpdateTextInputState()
   // method.
   WebKit::WebTextInputType text_input_type_;
 
   ScopedVector<ui::ViewProp> props_;
 
-  scoped_ptr<ui::ViewProp> accessibility_prop_;
-
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewWin);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_