Fix connection between BrowserAccessibilityManager and ContentViewCore

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_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 154 matching lines @@
   virtual void WheelEventAck(const blink::WebMouseWheelEvent& event,
                              InputEventAckState ack_result);
 
   virtual void GestureEventAck(const blink::WebGestureEvent& event,
                                InputEventAckState ack_result);
 
   // Create a platform specific SyntheticGestureTarget implementation that will
   // be used to inject synthetic input events.
   virtual scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget();
 
-  // Create a BrowserAccessibilityManager for this view.
+  // Create a BrowserAccessibilityManager for a frame in this view.
+  // If |for_root_frame| is true, creates a BrowserAccessibilityManager
+  // suitable for the root frame, which may be linked to its native
+  // window container.
   virtual BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
-      BrowserAccessibilityDelegate* delegate);
+      BrowserAccessibilityDelegate* delegate, bool for_root_frame);
 
   virtual void AccessibilityShowMenu(const gfx::Point& point);
   virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds);
   virtual gfx::AcceleratedWidget AccessibilityGetAcceleratedWidget();
   virtual gfx::NativeViewAccessible AccessibilityGetNativeViewAccessible();
 
   // Informs that the focused DOM node has changed.
   virtual void FocusedNodeChanged(bool is_editable_node) {}
 
   virtual void OnSwapCompositorFrame(uint32_t output_surface_id,
@@ skipping 285 matching lines @@
   base::ObserverList<RenderWidgetHostViewBaseObserver> observers_;
 
   base::WeakPtrFactory<RenderWidgetHostViewBase> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewBase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_BASE_H_