Remove "Alternate frame caption button style" command line flag

ash/wm/workspace/snap_types.h

Index: ash/wm/workspace/snap_types.h
diff --git a/ash/wm/workspace/snap_types.h b/ash/wm/workspace/snap_types.h
deleted file mode 100644
index 482a7dd583bed68d88ecfa235f92ce13ae0fa6c3..0000000000000000000000000000000000000000
--- a/ash/wm/workspace/snap_types.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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_WM_WORKSPACE_SNAP_TYPES_H_
-#define ASH_WM_WORKSPACE_SNAP_TYPES_H_
-
-namespace ash {
-
-// These are the window snap types which can be used for window resizing.
-// Their main use case is the class FrameMaximizeButton.
-enum SnapType {
-  SNAP_LEFT,
-  SNAP_RIGHT,
-  SNAP_MAXIMIZE,
-  SNAP_MINIMIZE,
-  SNAP_RESTORE,
-  SNAP_NONE
-};
-
-}  // namespace ash
-
-#endif  // ASH_WM_WORKSPACE_SNAP_TYPES_H_