Implement new slider control and disable the volume control when audio is muted.

ash/system/tray/tray_views.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/tray/tray_views.h"
 
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_item_view.h"
 #include "grit/ash_strings.h"
 #include "grit/ui_resources.h"
@@ skipping 11 matching lines @@
 #include "ui/views/painter.h"
 
 namespace ash {
 namespace internal {
 
 namespace {
 const int kIconPaddingLeft = 5;
 const int kPaddingAroundButtons = 5;
 
 const int kBarImagesActive[] = {
-  IDR_AURA_UBER_TRAY_BAR_BUTTON_ACTIVE_LEFT,
-  IDR_AURA_UBER_TRAY_BAR_BUTTON_ACTIVE_CENTER,
-  IDR_AURA_UBER_TRAY_BAR_BUTTON_ACTIVE_RIGHT,
+    IDR_SLIDER_ACTIVE_LEFT,
+    IDR_SLIDER_ACTIVE_CENTER,
+    IDR_SLIDER_ACTIVE_RIGHT,
 };
 
 const int kBarImagesDisabled[] = {
-  IDR_AURA_UBER_TRAY_BAR_BUTTON_DISABLED_LEFT,
-  IDR_AURA_UBER_TRAY_BAR_BUTTON_DISABLED_CENTER,
-  IDR_AURA_UBER_TRAY_BAR_BUTTON_DISABLED_RIGHT,
+    IDR_SLIDER_DISABLED_LEFT,
+    IDR_SLIDER_DISABLED_CENTER,
+    IDR_SLIDER_DISABLED_RIGHT,
 };
 
 views::View* CreatePopupHeaderButtonsContainer() {
   views::View* view = new views::View;
   view->SetLayoutManager(new
       views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, -1));
   view->set_border(views::Border::CreateEmptyBorder(0, 0, 0, 5));
   return view;
 }
 
@@ skipping 595 matching lines @@
     tray_view->set_border(views::Border::CreateEmptyBorder(
         kTrayLabelItemVerticalPaddingVeriticalAlignment,
         horizontal_padding,
         kTrayLabelItemVerticalPaddingVeriticalAlignment,
         horizontal_padding));
   }
 }
 
 }  // namespace internal
 }  // namespace ash