Moves Shell::maximize_mode_controller() to WmShell

ash/display/screen_orientation_controller_chromeos.cc

 // Copyright 2014 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/display/screen_orientation_controller_chromeos.h"
 
 #include "ash/common/ash_switches.h"
 #include "ash/common/display/display_info.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm_shell.h"
@@ skipping 95 matching lines @@
 void ScreenOrientationController::UnlockOrientationForWindow(
     aura::Window* window) {
   locking_windows_.erase(window);
   if (locking_windows_.empty())
     Shell::GetInstance()->activation_client()->RemoveObserver(this);
   window->RemoveObserver(this);
   ApplyLockForActiveWindow();
 }
 
 bool ScreenOrientationController::ScreenOrientationProviderSupported() const {
-  return Shell::GetInstance()
+  return WmShell::Get()
              ->maximize_mode_controller()
              ->IsMaximizeModeWindowManagerEnabled() &&
          !base::CommandLine::ForCurrentProcess()->HasSwitch(
              switches::kAshDisableScreenOrientationLock);
 }
 
 void ScreenOrientationController::SetRotationLocked(bool rotation_locked) {
   if (rotation_locked_ == rotation_locked)
     return;
   rotation_locked_ = rotation_locked;
@@ skipping 288 matching lines @@
 }
 
 bool ScreenOrientationController::CanRotateInLockedState() {
   return rotation_locked_orientation_ ==
              blink::WebScreenOrientationLockLandscape ||
          rotation_locked_orientation_ ==
              blink::WebScreenOrientationLockPortrait;
 }
 
 }  // namespace ash