Make GetRootWindow() return a Window instead of a RootWindow.

ui/views/event_utils_aura.cc

 // 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.
 
 #include "ui/views/event_utils.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/events/event.h"
 #include "ui/gfx/point.h"
 
 using aura::client::ScreenPositionClient;
 
 namespace views {
 
 bool RepostLocatedEvent(gfx::NativeWindow window,
                         const ui::LocatedEvent& event) {
   if (!window)
     return false;
 
-  aura::RootWindow* root_window = window->GetRootWindow();
+  aura::Window* root_window = window->GetRootWindow();
 
   gfx::Point root_loc(event.location());
-  ScreenPositionClient* spc = GetScreenPositionClient(root_window);
+  ScreenPositionClient* spc =
+      aura::client::GetScreenPositionClient(root_window);
   if (!spc)
     return false;
 
   spc->ConvertPointFromScreen(root_window, &root_loc);
 
   scoped_ptr<ui::LocatedEvent> relocated;
   if (event.IsMouseEvent()) {
     const ui::MouseEvent& orig = static_cast<const ui::MouseEvent&>(event);
     relocated.reset(new ui::MouseEvent(orig));
   } else if (event.IsGestureEvent()) {
     const ui::GestureEvent& orig = static_cast<const ui::GestureEvent&>(event);
     relocated.reset(new ui::GestureEvent(orig));
   } else {
     NOTREACHED();
     return false;
   }
   relocated->set_location(root_loc);
   relocated->set_root_location(root_loc);
 
-  root_window->RepostEvent(*relocated);
+  root_window->GetDispatcher()->RepostEvent(*relocated);
   return true;
 }
 
 }  // namespace views