Add battery status to settings row in uber tray bubble.

ash/system/power/power_status_view.h

Index: ash/system/power/power_status_view.h
diff --git a/ash/system/power/power_status_view.h b/ash/system/power/power_status_view.h
new file mode 100644
index 0000000000000000000000000000000000000000..a673c1a941a0fdc7172de148bd7611801d568141
--- /dev/null
+++ b/ash/system/power/power_status_view.h
@@ -0,0 +1,65 @@
+// 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.
+
+#ifndef ASH_SYSTEM_POWER_POWER_STATUS_VIEW_H_
+#define ASH_SYSTEM_POWER_POWER_STATUS_VIEW_H_
+#pragma once
+
+#include "ash/system/power/power_supply_status.h"
+#include "ui/views/view.h"
+
+namespace views {
+class ImageView;
+class Label;
+}
+
+namespace ash {
+namespace internal {
+
+class PowerStatusView : public views::View {
+ public:
+  enum ViewType {
+    VIEW_DEFAULT,
+    VIEW_NOTIFICATION
+  };
+
+  explicit PowerStatusView(ViewType view_type);
+  virtual ~PowerStatusView() {}
+
+  void UpdatePowerStatus(const PowerSupplyStatus& status);
+
+  // Overridden from views::View.
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
+
+ private:
+  void LayoutDefaultView();
+  void LayoutNotificationView();
+  void UpdateText();
+  void UpdateIcon();
+  void Update();
+  void UpdateTextForDefaultView();
+  void UpdateTextForNotificationView();
+
+  // Overridden from views::View.
+  virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
+
+  // labels used only for VIEW_NOTIFICATION.
+  views::Label* status_label_;
+  views::Label* time_label_;
+
+  // labels used only for VIEW_DEFAULT.
+  views::Label* time_status_label_;
+
+  views::ImageView* icon_;
+  ViewType view_type_;
+
+  PowerSupplyStatus supply_status_;
+
+  DISALLOW_COPY_AND_ASSIGN(PowerStatusView);
+};
+
+}  // namespace internal
+}  // namespace ash
+
+#endif  // ASH_SYSTEM_POWER_POWER_STATUS_VIEW_H_