Move AcceleratorController from WmShell to Shell

ash/common/system/chromeos/ime_menu/ime_menu_tray_unittest.cc

 // Copyright 2016 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/common/system/chromeos/ime_menu/ime_menu_tray.h"
 
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/system/chromeos/ime_menu/ime_list_view.h"
 #include "ash/common/system/status_area_widget.h"
@@ skipping 218 matching lines @@
   EXPECT_TRUE(IsTrayBackgroundActive());
   EXPECT_TRUE(IsBubbleShown());
 }
 
 // Tests using 'Alt+Shift+K' to open the menu.
 TEST_F(ImeMenuTrayTest, TestAccelerator) {
   WmShell::Get()->system_tray_notifier()->NotifyRefreshIMEMenu(true);
   ASSERT_TRUE(IsVisible());
   ASSERT_FALSE(IsTrayBackgroundActive());
 
-  WmShell::Get()->accelerator_controller()->PerformActionIfEnabled(
+  Shell::Get()->accelerator_controller()->PerformActionIfEnabled(
       SHOW_IME_MENU_BUBBLE);
   EXPECT_TRUE(IsTrayBackgroundActive());
   EXPECT_TRUE(IsBubbleShown());
 
   ui::GestureEvent tap(0, 0, 0, base::TimeTicks(),
                        ui::GestureEventDetails(ui::ET_GESTURE_TAP));
   GetTray()->PerformAction(tap);
   EXPECT_FALSE(IsTrayBackgroundActive());
   EXPECT_FALSE(IsBubbleShown());
 }
@@ skipping 55 matching lines @@
   input_method_manager = chromeos::input_method::InputMethodManager::Get();
   EXPECT_TRUE(input_method_manager &&
               input_method_manager->IsEmojiHandwritingVoiceOnImeMenuEnabled());
   EXPECT_TRUE(GetTray()->ShouldShowEmojiHandwritingVoiceButtons());
 
   FocusInInputContext(ui::TEXT_INPUT_TYPE_PASSWORD);
   EXPECT_FALSE(GetTray()->ShouldShowEmojiHandwritingVoiceButtons());
 }
 
 }  // namespace ash