Hook up guest browser plugins to the accessibility tree.

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index cc97543df27aff4f25551376472fc4478f42bd30..ba827fa370ef420c7ac3006905a31cb936d40eac 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -111,8 +111,8 @@ class CONTENT_EXPORT RenderFrameHostImpl
   virtual gfx::NativeViewAccessible AccessibilityGetNativeViewAccessible()
       OVERRIDE;
   virtual BrowserAccessibilityManager* AccessibilityGetChildFrame(
-      int64 frame_tree_node_id) OVERRIDE;
-  virtual BrowserAccessibilityManager* AccessibilityGetParentFrame() OVERRIDE;
+      int accessibility_node_id) OVERRIDE;
+  virtual BrowserAccessibility* AccessibilityGetParentFrame() OVERRIDE;
 
   bool CreateRenderFrame(int parent_routing_id);
   bool IsRenderFrameLive();