Move MaximizeModeController into ash/common

ash/shell.h

 // 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.
 
 #ifndef ASH_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 262 matching lines @@
   // Called when the application is exiting.
   void OnAppTerminating();
 
   // Called when the screen is locked (after the lock window is visible) or
   // unlocked.
   void OnLockStateChanged(bool locked);
 
   // Called when a casting session is started or stopped.
   void OnCastingSessionStartedOrStopped(bool started);
 
-  // Called after maximize mode has started, windows might still animate though.
-  void OnMaximizeModeStarted();
-
-  // Called after maximize mode has ended, windows might still be returning to
-  // their original position.
-  void OnMaximizeModeEnded();
-
   // Called when a root window is created.
   void OnRootWindowAdded(WmWindow* root_window);
 
   // Initializes |shelf_|.  Does nothing if it's already initialized.
   void CreateShelf();
 
   // Called when the shelf is created for |root_window|.
   void OnShelfCreatedForRootWindow(WmWindow* root_window);
 
   // Creates a virtual keyboard. Deletes the old virtual keyboard if it already
@@ skipping 422 matching lines @@
   base::SequencedWorkerPool* blocking_pool_;
 
   bool in_mus_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_