Moves mash/wm into ash/mus

ash/mus/frame/caption_buttons/frame_caption_button.cc

 // Copyright 2015 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.
 
-#include "mash/wm/frame/caption_buttons/frame_caption_button.h"
+#include "ash/mus/frame/caption_buttons/frame_caption_button.h"
 
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/animation/slide_animation.h"
 #include "ui/gfx/animation/throb_animation.h"
 #include "ui/gfx/canvas.h"
 
-namespace mash {
-namespace wm {
+namespace ash {
+namespace mus {
 
 namespace {
 
 // The duration of the crossfade animation when swapping the button's images.
 const int kSwapImagesAnimationDurationMs = 200;
 
 // The duration of the fade out animation of the old icon during a crossfade
 // animation as a ratio of |kSwapImagesAnimationDurationMs|.
 const float kFadeOutRatio = 0.5f;
 
@@ skipping 158 matching lines @@
     }
     alpha *= inactive_alpha;
   }
 
   SkPaint paint;
   paint.setAlpha(alpha);
   canvas->DrawImageInt(to_center, (width() - to_center.width()) / 2,
                        (height() - to_center.height()) / 2, paint);
 }
 
-}  // namespace wm
-}  // namespace mash
+}  // namespace mus
+}  // namespace ash