Moves common code in ash/wm/overview to ash/common/wm/overview

ash/wm/overview/overview_animation_type.h

Index: ash/wm/overview/overview_animation_type.h
diff --git a/ash/wm/overview/overview_animation_type.h b/ash/wm/overview/overview_animation_type.h
deleted file mode 100644
index dde3a1537fbdc263e6491fb55dd0661c8ce10026..0000000000000000000000000000000000000000
--- a/ash/wm/overview/overview_animation_type.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// 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_OVERVIEW_OVERVIEW_ANIMATION_TYPE_H_
-#define ASH_WM_OVERVIEW_OVERVIEW_ANIMATION_TYPE_H_
-
-namespace ash {
-
-// Enumeration of the different overview mode animations.
-enum OverviewAnimationType {
-  // TODO(bruthig): Remove OVERVIEW_ANIMATION_NONE value and replace it with
-  // correct animation type actions.
-  OVERVIEW_ANIMATION_NONE,
-  // Used to fade in the close button and label.
-  OVERVIEW_ANIMATION_ENTER_OVERVIEW_MODE_FADE_IN,
-  // Used to position windows when entering/exiting overview mode and when a
-  // window is closed while overview mode is active.
-  OVERVIEW_ANIMATION_LAY_OUT_SELECTOR_ITEMS,
-  // Used to hide non-overview mode windows.
-  OVERVIEW_ANIMATION_HIDE_WINDOW,
-  // Used to restore windows to their original position when exiting overview
-  // mode.
-  OVERVIEW_ANIMATION_RESTORE_WINDOW
-};
-
-}  // namespace ash
-
-#endif  // ASH_WM_OVERVIEW_OVERVIEW_ANIMATION_TYPE_H_