Support tracking focused node element for OOPIFs.

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index 045f297f75391a56c7d60225378b64a60e64f732..26143d401d4c83b542bc85f5124595ac59a0b6e9 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -518,9 +518,6 @@ IPC_MESSAGE_ROUTED1(ViewMsg_DisableAutoResize,
 IPC_MESSAGE_ROUTED1(ViewMsg_SetTextDirection,
                     blink::WebTextDirection /* direction */)
 
-// Tells the renderer to clear the focused element (if any).
-IPC_MESSAGE_ROUTED0(ViewMsg_ClearFocusedElement)
-
 // Make the RenderView background transparent or opaque.
 IPC_MESSAGE_ROUTED1(ViewMsg_SetBackgroundOpaque, bool /* opaque */)
 
@@ -694,14 +691,6 @@ IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateRect,
 
 IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
 
-// Message sent from renderer to the browser when focus changes inside the
-// webpage. The first parameter says whether the newly focused element needs
-// keyboard input (true for textfields, text areas and content editable divs).
-// The second parameter is the node bounds relative to RenderWidgetHostView.
-IPC_MESSAGE_ROUTED2(ViewHostMsg_FocusedNodeChanged,
-                    bool /* is_editable_node */,
-                    gfx::Rect /* node_bounds */)
-
 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, content::WebCursor)
 
 // Get the list of proxies to use for |url|, as a semicolon delimited list