Moves AcceleratorController from Shell to WmShell

ash/accelerators/accelerator_controller_unittest.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/common/accelerators/accelerator_controller.h"
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/accelerators/accelerator_table.h"
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/accessibility_types.h"
@@ skipping 260 matching lines @@
   void SetKeyboardBrightnessControlDelegate(
       std::unique_ptr<KeyboardBrightnessControlDelegate> delegate) {
     WmShell::Get()->keyboard_brightness_control_delegate_ = std::move(delegate);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AcceleratorControllerTest);
 };
 
 AcceleratorController* AcceleratorControllerTest::GetController() {
-  return Shell::GetInstance()->accelerator_controller();
+  return WmShell::Get()->accelerator_controller();
 }
 
 #if !defined(OS_WIN)
 // Double press of exit shortcut => exiting
 TEST_F(AcceleratorControllerTest, ExitWarningHandlerTestDoublePress) {
   ui::Accelerator press(ui::VKEY_Q, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN);
   ui::Accelerator release(press);
   release.set_type(ui::ET_KEY_RELEASED);
   ExitWarningHandler* ewh = GetController()->GetExitWarningHandlerForTest();
   ASSERT_TRUE(ewh);
@@ skipping 1119 matching lines @@
     EXPECT_TRUE(IsMessageCenterEmpty());
 
     // If the action is LOCK_SCREEN, we must reset the state by unlocking the
     // screen before we proceed testing the rest of accelerators.
     ResetStateIfNeeded();
   }
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace ash