Revert of Cross-process iframe accessibility.

content/browser/frame_host/render_frame_host_impl.h

 // Copyright 2013 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_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 92 matching lines @@
       int acc_obj_id, int start_offset, int end_offset) OVERRIDE;
   virtual bool AccessibilityViewHasFocus() const OVERRIDE;
   virtual gfx::Rect AccessibilityGetViewBounds() const OVERRIDE;
   virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds)
       const OVERRIDE;
   virtual void AccessibilityHitTest(const gfx::Point& point) OVERRIDE;
   virtual void AccessibilityFatalError() OVERRIDE;
   virtual gfx::AcceleratedWidget AccessibilityGetAcceleratedWidget() OVERRIDE;
   virtual gfx::NativeViewAccessible AccessibilityGetNativeViewAccessible()
       OVERRIDE;
-  virtual BrowserAccessibilityManager* AccessibilityGetChildFrame(
-      int64 frame_tree_node_id) OVERRIDE;
-  virtual BrowserAccessibilityManager* AccessibilityGetParentFrame() OVERRIDE;
 
   bool CreateRenderFrame(int parent_routing_id);
   bool IsRenderFrameLive();
   void Init();
   int routing_id() const { return routing_id_; }
   void OnCreateChildFrame(int new_routing_id,
                           const std::string& frame_name);
 
   RenderViewHostImpl* render_view_host() { return render_view_host_; }
   RenderFrameHostDelegate* delegate() { return delegate_; }
@@ skipping 326 matching lines @@
   base::Callback<void(ui::AXEvent, int)> accessibility_testing_callback_;
   // The most recently received accessibility tree - for testing only.
   scoped_ptr<ui::AXTree> ax_tree_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_