Moves app_list() and related functions from Shell to WmShell

ash/common/accelerators/accelerator_router.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/common/accelerators/accelerator_router.h"
 
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
+#include "ash/shell.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/stl_util.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/events/event.h"
 
 namespace ash {
 
 namespace {
 
 // Returns true if |key_code| is a key usually handled directly by the shell.
@@ skipping 100 matching lines @@
     // send key events to a web content first, then will process keys
     // if the web content didn't consume them.
     return false;
   }
 
   // Handle preferred accelerators (such as ALT-TAB) before sending
   // to the target.
   if (accelerator_controller->IsPreferred(accelerator))
     return true;
 
-  return WmShell::Get()->GetAppListTargetVisibility();
+  return Shell::Get()->GetAppListTargetVisibility();
 }
 
 }  // namespace ash