Moves ShellObserver to ash/common

chrome/browser/ui/webui/chromeos/touch_view_controller_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_TOUCH_VIEW_CONTROLLER_DELEGATE_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_TOUCH_VIEW_CONTROLLER_DELEGATE_H_
 
-#include "ash/shell_observer.h"
+#include "ash/common/shell_observer.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 
 namespace chromeos {
 
 // An interface for ash::MaximizeModeController.
 class TouchViewControllerDelegate : public ash::ShellObserver {
  public:
   // Observer that reports changes to the state of MaximizeModeController's
   // rotation lock.
@@ skipping 25 matching lines @@
 
   // Mode state change observers.
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchViewControllerDelegate);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_TOUCH_VIEW_CONTROLLER_DELEGATE_H_