Fix keyboard focus for OOPIF-<webview>.

content/browser/frame_host/render_frame_host_impl.h

 // Copyright 2013 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_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 397 matching lines @@
 
   // Update the frame's opener in the renderer process in response to the
   // opener being modified (e.g., with window.open or being set to null) in
   // another renderer process.
   void UpdateOpener();
 
   // Set this frame as focused in the renderer process.  This supports
   // cross-process window.focus() calls.
   void SetFocusedFrame();
 
+  // This is used to clear focus inside an inner WebContents when focus shifts
+  // to a frame in the outer WebContents or a sibling WebContents.
+  void ClearFocusedFrame();
+
   // Deletes the current selection plus the specified number of characters
   // before and after the selection or caret.
   void ExtendSelectionAndDelete(size_t before, size_t after);
 
   // Notifies the RenderFrame that the JavaScript message that was shown was
   // closed by the user.
   void JavaScriptDialogClosed(IPC::Message* reply_msg,
                               bool success,
                               const base::string16& user_input,
                               bool dialog_was_suppressed);
@@ skipping 541 matching lines @@
 
   // NOTE: This must be the last member.
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_