Moves more code to ash/wm/common

ash/wm/maximize_mode/workspace_backdrop_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 ASH_WM_MAXIMIZE_MODE_WORKSPACE_BACKDROP_DELEGATE_H_
 #define ASH_WM_MAXIMIZE_MODE_WORKSPACE_BACKDROP_DELEGATE_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
-#include "ash/wm/workspace/workspace_layout_manager_backdrop_delegate.h"
+#include "ash/wm/common/workspace/workspace_layout_manager_backdrop_delegate.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 
 namespace aura {
 class Window;
 }
 
 namespace views {
 class Widget;
 }
@@ skipping 44 matching lines @@
 
   // If true, the |RestackOrHideWindow| might recurse.
   bool in_restacking_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceBackdropDelegate);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_MAXIMIZE_MODE_WORKSPACE_BACKDROP_DELEGATE_H_