mash: Migrate MediaDelegate ownership and access to WmShell.

ash/accelerators/accelerator_controller.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/accelerators/accelerator_controller.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <utility>
 
 #include "ash/accelerators/accelerator_commands.h"
 #include "ash/accelerators/debug_commands.h"
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/accessibility_types.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/focus_cycler.h"
+#include "ash/common/media_delegate.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shelf/shelf_model.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/system/system_notifier.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/system/volume_control_delegate.h"
 #include "ash/common/system/web_notification/web_notification_tray.h"
 #include "ash/common/wm/mru_window_tracker.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm_shell.h"
 #include "ash/debug.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/gpu_support.h"
 #include "ash/ime_control_delegate.h"
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
-#include "ash/media_delegate.h"
 #include "ash/multi_profile_uma.h"
 #include "ash/new_window_delegate.h"
 #include "ash/root_window_controller.h"
 #include "ash/rotator/screen_rotation_animator.h"
 #include "ash/rotator/window_rotation.h"
 #include "ash/screen_util.h"
 #include "ash/screenshot_delegate.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_delegate.h"
 #include "ash/shelf/shelf_widget.h"
@@ skipping 210 matching lines @@
         std::pow(kMagnificationScaleFactor, new_scale_index), true);
   } else if (Shell::GetInstance()
                  ->partial_magnification_controller()
                  ->is_enabled()) {
     float scale = delta_index > 0 ? kDefaultPartialMagnifiedScale : 1;
     Shell::GetInstance()->partial_magnification_controller()->SetScale(scale);
   }
 }
 
 void HandleMediaNextTrack() {
-  Shell::GetInstance()->media_delegate()->HandleMediaNextTrack();
+  WmShell::Get()->media_delegate()->HandleMediaNextTrack();
 }
 
 void HandleMediaPlayPause() {
-  Shell::GetInstance()->media_delegate()->HandleMediaPlayPause();
+  WmShell::Get()->media_delegate()->HandleMediaPlayPause();
 }
 
 void HandleMediaPrevTrack() {
-  Shell::GetInstance()->media_delegate()->HandleMediaPrevTrack();
+  WmShell::Get()->media_delegate()->HandleMediaPrevTrack();
 }
 
 bool CanHandleNewIncognitoWindow() {
   return Shell::GetInstance()->delegate()->IsIncognitoAllowed();
 }
 
 void HandleNewIncognitoWindow() {
   base::RecordAction(UserMetricsAction("Accel_New_Incognito_Window"));
   Shell::GetInstance()->new_window_delegate()->NewWindow(
       true /* is_incognito */);
@@ skipping 1153 matching lines @@
 }
 
 void AcceleratorController::SetKeyboardBrightnessControlDelegate(
     std::unique_ptr<KeyboardBrightnessControlDelegate>
         keyboard_brightness_control_delegate) {
   keyboard_brightness_control_delegate_ =
       std::move(keyboard_brightness_control_delegate);
 }
 
 }  // namespace ash