NOSUBMIT: Demonstrate accelerated layer painting problem in mus/mash

ui/views/bubble/bubble_delegate.cc

 // 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.
 
 #include "ui/views/bubble/bubble_delegate.h"
 
 #include "build/build_config.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/default_style.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 290 matching lines @@
 }
 
 const gfx::FontList& BubbleDelegateView::GetTitleFontList() const {
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   return rb.GetFontListWithDelta(ui::kTitleFontSizeDelta);
 }
 
 void BubbleDelegateView::UpdateColorsFromTheme(const ui::NativeTheme* theme) {
   if (!color_explicitly_set_)
     color_ = theme->GetSystemColor(ui::NativeTheme::kColorId_BubbleBackground);
+  // JAMES: When the individual views on top aren't drawing, this is more
+  // obvious than off-white.
+  color_ = SK_ColorRED;
   set_background(Background::CreateSolidBackground(color()));
   BubbleFrameView* frame_view = GetBubbleFrameView();
   if (frame_view)
     frame_view->bubble_border()->set_background_color(color());
 }
 
 void BubbleDelegateView::HandleVisibilityChanged(Widget* widget, bool visible) {
   if (widget == GetWidget() && anchor_widget() &&
       anchor_widget()->GetTopLevelWidget()) {
     anchor_widget()->GetTopLevelWidget()->SetAlwaysRenderAsActive(visible);
   }
 
   // Fire AX_EVENT_ALERT for bubbles marked as AX_ROLE_ALERT_DIALOG; this
   // instructs accessibility tools to read the bubble in its entirety rather
   // than just its title and initially focused view.  See
   // http://crbug.com/474622 for details.
   if (widget == GetWidget() && visible) {
     ui::AXViewState state;
     GetAccessibleState(&state);
     if (state.role == ui::AX_ROLE_ALERT_DIALOG)
       NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
   }
 }
 
 }  // namespace views