Gets mustash frames looking like that of ash

mash/wm/frame/header_painter_util.cc

Index: mash/wm/frame/header_painter_util.cc
diff --git a/ash/frame/header_painter_util.cc b/mash/wm/frame/header_painter_util.cc
similarity index 68%
copy from ash/frame/header_painter_util.cc
copy to mash/wm/frame/header_painter_util.cc
index 3e7dee553f255466652fcbee65612f0e5e3df162..a658d163dd0b566339e6778c9a4dc9987cf5c4f9 100644
--- a/ash/frame/header_painter_util.cc
+++ b/mash/wm/frame/header_painter_util.cc
@@ -1,14 +1,11 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// 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 "ash/frame/header_painter_util.h"
+#include "mash/wm/frame/header_painter_util.h"
 
 #include <algorithm>
 
-#include "ui/aura/window.h"
-#include "ui/compositor/layer.h"
-#include "ui/compositor/layer_animator.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/views/view.h"
@@ -41,7 +38,8 @@ const int kThemeFrameImageInsetX = 5;
 
 }  // namespace
 
-namespace ash {
+namespace mash {
+namespace wm {
 
 // static
 int HeaderPainterUtil::GetTopCornerRadiusWhenRestored() {
@@ -75,23 +73,8 @@ gfx::Rect HeaderPainterUtil::GetTitleBounds(
 
 // static
 bool HeaderPainterUtil::CanAnimateActivation(views::Widget* widget) {
-  // Do not animate the header if the parent (e.g.
-  // kShellWindowId_DefaultContainer) is already animating. All of the
-  // implementers of HeaderPainter animate activation by continuously painting
-  // during the animation. This gives the parent's animation a slower frame
-  // rate.
-  // TODO(sky): Expose a better way to determine this rather than assuming the
-  // parent is a toplevel container.
-  aura::Window* window = widget->GetNativeWindow();
-  if (!window->parent())
-    return true;
-
-  ui::LayerAnimator* parent_layer_animator =
-      window->parent()->layer()->GetAnimator();
-  return !parent_layer_animator->IsAnimatingProperty(
-             ui::LayerAnimationElement::OPACITY) &&
-         !parent_layer_animator->IsAnimatingProperty(
-             ui::LayerAnimationElement::VISIBILITY);
+  return true;
 }
 
-}  // namespace ash
+}  // namespace wm
+}  // namespace mash