Add RenderFrameObserver::FocusedNodeChanged

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index 2413312f06c12063b7430d8a3bbccadf16ebc09d..ab7fd55493b8e6ffb19718d14345394b6437babe 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -196,10 +196,14 @@ class CONTENT_EXPORT RenderFrameImpl
   void HandleWebAccessibilityEvent(const blink::WebAXObject& obj,
                                    blink::WebAXEvent event);
 
+  // The focused node changed to |node|. If focus was lost from this frame,
+  // |node| will be null.
+  void FocusedNodeChanged(const blink::WebNode& node);
+
   // TODO(dmazzoni): the only reason this is here is to plumb it through to
-  // RendererAccessibility. It should be part of RenderFrameObserver, once
+  // RendererAccessibility. It should use the RenderFrameObserver method, once
   // blink has a separate accessibility tree per frame.
-  void FocusedNodeChanged(const blink::WebNode& node);
+  void FocusedNodeChangedForAccessibility(const blink::WebNode& node);
 
 #if defined(ENABLE_PLUGINS)
   // Notification that a PPAPI plugin has been created.