Revert of Migrate accessibility from RenderView to RenderFrame.

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 32 matching lines @@
 
 namespace media {
 class VideoFrame;
 }
 
 namespace blink {
 struct WebScreenInfo;
 }
 
 namespace content {
-class BrowserAccessibilityDelegate;
 class BrowserAccessibilityManager;
 class SyntheticGesture;
 class SyntheticGestureTarget;
 class WebCursor;
 struct DidOverscrollParams;
 struct NativeWebKeyboardEvent;
 struct WebPluginGeometry;
 
 // Basic implementation shared by concrete RenderWidgetHostView subclasses.
 class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView,
@@ skipping 18 matching lines @@
   // IPC::Listener implementation:
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   // Called by the host when the input flush has completed.
   void OnDidFlushInput();
 
   void SetPopupType(blink::WebPopupType popup_type);
 
   blink::WebPopupType GetPopupType();
 
+  // Get the BrowserAccessibilityManager if it exists, may return NULL.
+  BrowserAccessibilityManager* GetBrowserAccessibilityManager() const;
+
+  void SetBrowserAccessibilityManager(BrowserAccessibilityManager* manager);
+
   // Return a value that is incremented each time the renderer swaps a new frame
   // to the view.
   uint32 RendererFrameNumber();
 
   // Called each time the RenderWidgetHost receives a new frame for display from
   // the renderer.
   void DidReceiveRendererFrame();
 
   // Notification that a resize or move session ended on the native widget.
   void UpdateScreenInfo(gfx::NativeView view);
@@ skipping 38 matching lines @@
   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();
 
   // Return true if frame subscription is supported on this platform.
   virtual bool CanSubscribeFrame() const;
 
-  // Create a BrowserAccessibilityManager for this view.
-  virtual BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
-      BrowserAccessibilityDelegate* delegate);
+  // Create a BrowserAccessibilityManager for this view if it's possible to
+  // create one and if one doesn't exist already. Some ports may not create
+  // one depending on the current state.
+  virtual void CreateBrowserAccessibilityManagerIfNeeded();
 
-  virtual void AccessibilityShowMenu(const gfx::Point& point);
+  virtual void OnAccessibilitySetFocus(int acc_obj_id);
+  virtual void AccessibilityShowMenu(int acc_obj_id);
   virtual gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds);
 
   virtual SkColorType PreferredReadbackFormat();
 
   // Informs that the focused DOM node has changed.
   virtual void FocusedNodeChanged(bool is_editable_node) {}
 
   virtual void OnSwapCompositorFrame(uint32 output_surface_id,
                                      scoped_ptr<cc::CompositorFrame> frame) {}
 
@@ skipping 248 matching lines @@
   // The orientation of the display the renderer is currently on.
   gfx::Display::Rotation current_display_rotation_;
 
   // Whether pinch-to-zoom should be enabled and pinch events forwarded to the
   // renderer.
   bool pinch_zoom_enabled_;
 
  private:
   void FlushInput();
 
+  // Manager of the tree representation of the WebKit render tree.
+  scoped_ptr<BrowserAccessibilityManager> browser_accessibility_manager_;
+
   gfx::Rect current_display_area_;
 
   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_