Move even more from WmShell to Shell

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/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
@@ skipping 102 matching lines @@
   for (auto pair : locking_windows_)
     pair.first->aura_window()->RemoveObserver(this);
   locking_windows_.clear();
   Shell::GetInstance()->activation_client()->RemoveObserver(this);
   SetRotationLocked(false);
   if (user_rotation_ != current_rotation_)
     SetDisplayRotation(user_rotation_, display::Display::ROTATION_SOURCE_USER);
 }
 
 bool ScreenOrientationController::ScreenOrientationProviderSupported() const {
-  return WmShell::Get()
+  return Shell::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 287 matching lines @@
 }
 
 bool ScreenOrientationController::CanRotateInLockedState() {
   return rotation_locked_orientation_ ==
              blink::WebScreenOrientationLockLandscape ||
          rotation_locked_orientation_ ==
              blink::WebScreenOrientationLockPortrait;
 }
 
 }  // namespace ash