Fix race in BrowserAccessibilityManagerWin creation.

content/browser/renderer_host/render_widget_host_view_base.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_
 
 #if defined(OS_MACOSX)
 #include <OpenGL/OpenGL.h>
 #endif
@@ skipping 327 matching lines @@
 #endif
 
 #if defined(OS_MACOSX) || defined(USE_AURA)
   // Updates the range of the marked text in an IME composition.
   virtual void ImeCompositionRangeChanged(
       const gfx::Range& range,
       const std::vector<gfx::Rect>& character_bounds) = 0;
 #endif
 
 #if defined(OS_WIN)
-  virtual void SetParentNativeViewAccessible(
-      gfx::NativeViewAccessible accessible_parent) = 0;
+  virtual HWND GetAccessibleParentHWND() const = 0;
+  virtual IAccessible* GetParentIAccessible() const = 0;
 
   // Returns an HWND that's given as the parent window for windowless Flash to
   // workaround crbug.com/301548.
   virtual gfx::NativeViewId GetParentForWindowlessPlugin() const = 0;
 
   // The callback that DetachPluginsHelper calls for each child window. Call
   // this directly if you want to do custom filtering on plugin windows first.
   static void DetachPluginWindowsCallback(HWND window);
 #endif
 
@@ skipping 65 matching lines @@
   uint32 renderer_frame_number_;
 
   base::OneShotTimer<RenderWidgetHostViewBase> flush_input_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewBase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_