Refactor screen/monitor so that gfx::Screen returns monitor object.

ash/shell.cc

 // 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.
 
 #include "ash/shell.h"
 
 #include <algorithm>
 
 #include "ash/app_list/app_list.h"
 #include "ash/ash_switches.h"
@@ skipping 45 matching lines @@
 #include "ash/wm/workspace/workspace_layout_manager.h"
 #include "ash/wm/workspace/workspace_manager.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "grit/ui_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/env.h"
 #include "ui/aura/layout_manager.h"
-#include "ui/aura/monitor.h"
 #include "ui/aura/monitor_manager.h"
 #include "ui/aura/monitor_manager.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/ui_controls_aura.h"
 #include "ui/aura/window.h"
 #include "ui/gfx/compositor/layer.h"
 #include "ui/gfx/compositor/layer_animator.h"
+#include "ui/gfx/monitor.h"
+#include "ui/gfx/screen.h"
 #include "ui/gfx/size.h"
 #include "ui/ui_controls/ui_controls.h"
 #include "ui/views/widget/native_widget_aura.h"
 #include "ui/views/widget/widget.h"
 
 #if !defined(OS_MACOSX)
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_filter.h"
 #include "ash/accelerators/nested_dispatcher_controller.h"
 #endif
@@ skipping 697 matching lines @@
 }
 
 void Shell::RotateFocus(Direction direction) {
   focus_cycler_->RotateFocus(
       direction == FORWARD ? internal::FocusCycler::FORWARD :
                              internal::FocusCycler::BACKWARD);
 }
 
 void Shell::SetMonitorWorkAreaInsets(Window* contains,
                                      const gfx::Insets& insets) {
-  aura::Monitor* monitor = aura::Env::GetInstance()->monitor_manager()->
-      GetMonitorNearestWindow(contains);
-  if (monitor->work_area_insets() == insets)
+  internal::MultiMonitorManager* monitor_manager =
+      static_cast<internal::MultiMonitorManager*>(
+          aura::Env::GetInstance()->monitor_manager());
+  if (!monitor_manager->UpdateWorkAreaOfMonitorNearestWindow(contains, insets))
     return;
-  monitor->set_work_area_insets(insets);
   FOR_EACH_OBSERVER(ShellObserver, observers_,
                     OnMonitorWorkAreaInsetsChanged());
 }
 
 void Shell::OnLoginStateChanged(user::LoginStatus status) {
   FOR_EACH_OBSERVER(ShellObserver, observers_, OnLoginStateChanged(status));
 }
 
 void Shell::OnAppTerminating() {
   FOR_EACH_OBSERVER(ShellObserver, observers_, OnAppTerminating());
@@ skipping 96 matching lines @@
     panel_container->SetLayoutManager(panel_layout_manager_);
   }
 }
 
 void Shell::DisableWorkspaceGridLayout() {
   if (workspace_controller_.get())
     workspace_controller_->workspace_manager()->set_grid_size(0);
 }
 
 }  // namespace ash