Migrate accessibility from RenderView to RenderFrame.

content/browser/renderer_host/render_widget_host_view_mac.h

Index: content/browser/renderer_host/render_widget_host_view_mac.h
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.h b/content/browser/renderer_host/render_widget_host_view_mac.h
index 49ef5a0790c35b0f7f349afec30a8f353f9937ed..720967f1e48f46c3bfa279f34816db467852efeb 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.h
+++ b/content/browser/renderer_host/render_widget_host_view_mac.h
@@ -314,11 +314,11 @@ class CONTENT_EXPORT RenderWidgetHostViewMac
       uint32 output_surface_id, scoped_ptr<cc::CompositorFrame> frame) OVERRIDE;
   virtual void AcceleratedSurfaceInitialized(int host_id,
                                              int route_id) OVERRIDE;
-  virtual void CreateBrowserAccessibilityManagerIfNeeded() OVERRIDE;
+  virtual BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
+      BrowserAccessibilityDelegate* delegate) OVERRIDE;
   virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds)
       OVERRIDE;
-  virtual void OnAccessibilitySetFocus(int acc_obj_id) OVERRIDE;
-  virtual void AccessibilityShowMenu(int acc_obj_id) OVERRIDE;
+  virtual void AccessibilityShowMenu(const gfx::Point& point) OVERRIDE;
   virtual bool PostProcessEventForPluginIme(
       const NativeWebKeyboardEvent& event) OVERRIDE;