ash: Show better focus rects for the tray.

ash/system/audio/tray_volume.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 "ash/system/audio/tray_volume.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
+#include "ash/system/tray/tray_views.h"
 #include "base/utf_string_conversions.h"
 #include "grit/ash_strings.h"
 #include "grit/ui_resources.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkRect.h"
 #include "third_party/skia/include/effects/SkGradientShader.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
@@ skipping 77 matching lines @@
   VolumeView() {
     SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
           kTrayPopupPaddingHorizontal, 0, kTrayPopupPaddingBetweenItems));
 
     icon_ = new VolumeButton(this);
     AddChildView(icon_);
 
     ash::SystemTrayDelegate* delegate =
         ash::Shell::GetInstance()->tray_delegate();
     slider_ = new views::Slider(this, views::Slider::HORIZONTAL);
+    slider_->set_focus_color(kFocusBorderColor);
     slider_->SetValue(delegate->GetVolumeLevel());
     slider_->SetAccessibleName(
         ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
             IDS_ASH_STATUS_TRAY_VOLUME));
     AddChildView(slider_);
   }
 
   virtual ~VolumeView() {}
 
   void SetVolumeLevel(float percent) {
@@ skipping 79 matching lines @@
   if (volume_view_.get()) {
     volume_view_->SetVolumeLevel(percent);
     SetDetailedViewCloseDelay(kTrayPopupAutoCloseDelayInSeconds);
     return;
   }
   PopupDetailedView(kTrayPopupAutoCloseDelayInSeconds, false);
 }
 
 }  // namespace internal
 }  // namespace ash