Relanding focus manager refactoring

views\focus\focus_manager_gtk.cc

 // Copyright (c) 2006-2009 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.
 
 #include "views/focus/focus_manager.h"
 
 #include "base/logging.h"
 
 namespace views {
 
 void FocusManager::ClearNativeFocus() {
   NOTIMPLEMENTED();
 }
 
 void FocusManager::FocusNativeView(gfx::NativeView native_view) {
   NOTIMPLEMENTED();
 }
 
 // static
 FocusManager* FocusManager::GetFocusManagerForNativeView(
     gfx::NativeView native_view) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace views