Renames ash/wm/common into ash/common/wm

ash/wm/common/wm_overview_mode_observer.h

Index: ash/wm/common/wm_overview_mode_observer.h
diff --git a/ash/wm/common/wm_overview_mode_observer.h b/ash/wm/common/wm_overview_mode_observer.h
deleted file mode 100644
index c49699fe95576ad52a6ba6b8cf1aeb6f3d857e5c..0000000000000000000000000000000000000000
--- a/ash/wm/common/wm_overview_mode_observer.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2016 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_COMMON_WM_OVERVIEW_MODE_OBSERVER_H_
-#define ASH_WM_COMMON_WM_OVERVIEW_MODE_OBSERVER_H_
-
-#include "ash/ash_export.h"
-
-namespace ash {
-namespace wm {
-
-class WmWindow;
-
-class ASH_EXPORT WmOverviewModeObserver {
- public:
-  virtual void OnOverviewModeEnded() {}
-
- protected:
-  virtual ~WmOverviewModeObserver() {}
-};
-
-}  // namespace wm
-}  // namespace ash
-
-#endif  // ASH_WM_COMMON_WM_OVERVIEW_MODE_OBSERVER_H_