Rename Desktop->RootWindow.

ui/aura/screen_aura.cc

 // Copyright (c) 2011 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/aura/screen_aura.h"
 
 #include "base/logging.h"
-#include "ui/aura/desktop.h"
+#include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace aura {
 
 ScreenAura::ScreenAura() {
 }
 
 ScreenAura::~ScreenAura() {
 }
 
 gfx::Point ScreenAura::GetCursorScreenPointImpl() {
-  return Desktop::GetInstance()->last_mouse_location();
+  return RootWindow::GetInstance()->last_mouse_location();
 }
 
 gfx::Rect ScreenAura::GetMonitorWorkAreaNearestWindowImpl(
     gfx::NativeWindow window) {
   return GetWorkAreaBounds();
 }
 
 gfx::Rect ScreenAura::GetMonitorAreaNearestWindowImpl(
     gfx::NativeWindow window) {
   return GetBounds();
 }
 
 gfx::Rect ScreenAura::GetMonitorWorkAreaNearestPointImpl(
     const gfx::Point& point) {
   return GetWorkAreaBounds();
 }
 
 gfx::Rect ScreenAura::GetMonitorAreaNearestPointImpl(const gfx::Point& point) {
   return GetBounds();
 }
 
 gfx::NativeWindow ScreenAura::GetWindowAtCursorScreenPointImpl() {
   const gfx::Point point = GetCursorScreenPoint();
-  return Desktop::GetInstance()->GetTopWindowContainingPoint(point);
+  return RootWindow::GetInstance()->GetTopWindowContainingPoint(point);
 }
 
 gfx::Rect ScreenAura::GetBounds() {
-  return gfx::Rect(aura::Desktop::GetInstance()->GetHostSize());
+  return gfx::Rect(aura::RootWindow::GetInstance()->GetHostSize());
 }
 
 gfx::Rect ScreenAura::GetWorkAreaBounds() {
   gfx::Rect bounds(GetBounds());
   bounds.Inset(work_area_insets_);
   return bounds;
 }
 
 gfx::Size ScreenAura::GetPrimaryMonitorSizeImpl() {
   return GetMonitorWorkAreaNearestPoint(gfx::Point()).size();
 }
 
 int ScreenAura::GetNumMonitorsImpl() {
   return 1;
 }
 
 }  // namespace aura