Move code related to the window controls to ash/wm/caption_buttons

ash/wm/caption_buttons/alternate_frame_caption_button.h

Index: ash/wm/caption_buttons/alternate_frame_caption_button.h
diff --git a/ash/wm/workspace/alternate_frame_caption_button.h b/ash/wm/caption_buttons/alternate_frame_caption_button.h
similarity index 90%
rename from ash/wm/workspace/alternate_frame_caption_button.h
rename to ash/wm/caption_buttons/alternate_frame_caption_button.h
index b0f9581dbbee94da240077df7a1b9e032b31c6f0..8fa32177d6c9a60a1506ecdb3ca5bcd1eb2fdb7d 100644
--- a/ash/wm/workspace/alternate_frame_caption_button.h
+++ b/ash/wm/caption_buttons/alternate_frame_caption_button.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_WM_WORKSPACE_ALTERNATE_FRAME_CAPTION_BUTTON_H_
-#define ASH_WM_WORKSPACE_ALTERNATE_FRAME_CAPTION_BUTTON_H_
+#ifndef ASH_WM_CAPTION_BUTTONS_ALTERNATE_FRAME_CAPTION_BUTTON_H_
+#define ASH_WM_CAPTION_BUTTONS_ALTERNATE_FRAME_CAPTION_BUTTON_H_
 
 #include "ash/ash_export.h"
 #include "base/memory/scoped_ptr.h"
@@ -66,4 +66,4 @@ class ASH_EXPORT AlternateFrameCaptionButton : public views::CustomButton {
 
 }  // namespace ash
 
-#endif  // ASH_WM_WORKSPACE_ALTERNATE_FRAME_CAPTION_BUTTON_H_
+#endif  // ASH_WM_CAPTION_BUTTONS_ALTERNATE_FRAME_CAPTION_BUTTON_H_