mash: Move ash/common/wm/shelf to ash/common/shelf

ash/common/shelf/shelf_constants.h

Index: ash/common/shelf/shelf_constants.h
diff --git a/ash/shelf/shelf_constants.h b/ash/common/shelf/shelf_constants.h
similarity index 63%
rename from ash/shelf/shelf_constants.h
rename to ash/common/shelf/shelf_constants.h
index d7f0825b7394263afdec8f6f8952ef8c6e7f7a03..a4fd87e4d43a0d05f58f7469a4c6697a4cc3e5d2 100644
--- a/ash/shelf/shelf_constants.h
+++ b/ash/common/shelf/shelf_constants.h
@@ -2,13 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SHELF_SHELF_CONSTANTS_H_
-#define ASH_SHELF_SHELF_CONSTANTS_H_
+#ifndef ASH_COMMON_SHELF_SHELF_CONSTANTS_H_
+#define ASH_COMMON_SHELF_SHELF_CONSTANTS_H_
 
 #include "ash/ash_export.h"
 
 namespace ash {
 
+// Max alpha of the shelf background.
+ASH_EXPORT extern const int kShelfBackgroundAlpha;
+
 // Invalid image resource id used for ShelfItemDetails.
 extern const int kInvalidImageResourceID;
 
@@ -23,12 +26,12 @@ ASH_EXPORT extern const int kShelfButtonSpacing;
 // Size allocated for each button on the shelf.
 ASH_EXPORT extern const int kShelfButtonSize;
 
+// Animation duration for switching black shelf and dock background on and off.
+ASH_EXPORT extern const int kTimeToSwitchBackgroundMs;
+
 // The direction of the focus cycling.
-enum CycleDirection {
-  CYCLE_FORWARD,
-  CYCLE_BACKWARD
-};
+enum CycleDirection { CYCLE_FORWARD, CYCLE_BACKWARD };
 
 }  // namespace ash
 
-#endif  // ASH_SHELF_SHELF_CONSTANTS_H_
+#endif  // ASH_COMMON_SHELF_SHELF_CONSTANTS_H_