[ash-md] Hides frame headers in overview mode not using a mask

ash/common/wm/overview/window_selector_item.cc

 // Copyright 2013 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/common/wm/overview/window_selector_item.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/common/material_design/material_design_controller.h"
@@ skipping 459 matching lines @@
           screen_rect, target_bounds, top_view_inset, title_height);
   gfx::Transform transform = ScopedTransformOverviewWindow::GetTransformForRect(
       screen_rect, selector_item_bounds);
   ScopedTransformOverviewWindow::ScopedAnimationSettings animation_settings;
   transform_window_.BeginScopedAnimation(animation_type, &animation_settings);
   // Rounded corners are achieved by using a mask layer on the original window
   // before the transform. Dividing by scale factor obtains the corner radius
   // which when scaled will yield |kLabelBackgroundRadius|.
   transform_window_.SetTransform(
       root_window_, transform,
-      gfx::ToFlooredInt(kLabelBackgroundRadius /
-                        GetItemScale(target_bounds.size())));
+      (kLabelBackgroundRadius / GetItemScale(target_bounds.size())));
   transform_window_.set_overview_transform(transform);
 }
 
 void WindowSelectorItem::SetOpacity(float opacity) {
   window_label_->SetOpacity(opacity);
   if (!ash::MaterialDesignController::IsOverviewMaterial())
     close_button_widget_->SetOpacity(opacity);
 
   transform_window_.SetOpacity(opacity);
 }
@@ skipping 154 matching lines @@
   window_label_selector_window->SetOpacity(opacity);
 }
 
 void WindowSelectorItem::UpdateCloseButtonAccessibilityName() {
   close_button_->SetAccessibleName(l10n_util::GetStringFUTF16(
       IDS_ASH_OVERVIEW_CLOSE_ITEM_BUTTON_ACCESSIBLE_NAME,
       GetWindow()->GetTitle()));
 }
 
 }  // namespace ash