Support tracking focused node element for OOPIFs.

content/renderer/render_view_impl.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_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 503 matching lines @@
   // IPC message handlers ------------------------------------------------------
   //
   // The documentation for these functions should be in
   // content/common/*_messages.h for the message that the function is handling.
   void OnExecuteEditCommand(const std::string& name, const std::string& value);
   void OnMoveCaret(const gfx::Point& point);
   void OnScrollFocusedEditableNodeIntoRect(const gfx::Rect& rect);
   void OnAllowBindings(int enabled_bindings_flags);
   void OnAllowScriptToClose(bool script_can_close);
   void OnCancelDownload(int32_t download_id);
-  void OnClearFocusedElement();
   void OnClosePage();
   void OnClose();
 
   void OnShowContextMenu(ui::MenuSourceType source_type,
                          const gfx::Point& location);
   void OnDeterminePageLanguage();
   void OnDisableScrollbarsForSmallWindows(
       const gfx::Size& disable_scrollbars_size_limit);
   void OnEnablePreferredSizeChangedMode();
   void OnEnableAutoResize(const gfx::Size& min_size, const gfx::Size& max_size);
@@ skipping 304 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_