Remove pre-MD code from PowerStatusView.

ash/common/system/chromeos/power/power_status_view.h

Index: ash/common/system/chromeos/power/power_status_view.h
diff --git a/ash/common/system/chromeos/power/power_status_view.h b/ash/common/system/chromeos/power/power_status_view.h
index 1cd5cee9ac3bdda601bdbc68555687badb33f699..b7a1b1eb32790380d13427d68da3830bb34c8960 100644
--- a/ash/common/system/chromeos/power/power_status_view.h
+++ b/ash/common/system/chromeos/power/power_status_view.h
@@ -12,7 +12,6 @@
 #include "ui/views/view.h"
 
 namespace views {
-class ImageView;
 class Label;
 }
 
@@ -21,7 +20,7 @@ namespace ash {
 class ASH_EXPORT PowerStatusView : public views::View,
                                    public PowerStatus::Observer {
  public:
-  explicit PowerStatusView(bool default_view_right_align);
+  PowerStatusView();
   ~PowerStatusView() override;
 
   // views::View:
@@ -34,28 +33,15 @@ class ASH_EXPORT PowerStatusView : public views::View,
  private:
   friend class PowerStatusViewTest;
 
-  void LayoutView();
   void UpdateText();
 
   // views::View:
   void ChildPreferredSizeChanged(views::View* child) override;
 
-  // Layout default view UI items on the right side of system tray pop up item
-  // if true; otherwise, layout the UI items on the left side.
-  bool default_view_right_align_;
-
   views::Label* percentage_label_;
   views::Label* separator_label_;
   views::Label* time_status_label_;
 
-  // Battery status indicator icon. Unused in material design.
-  views::ImageView* icon_;
-
-  // Information about the image last used to update |icon_|. Cached to avoid
-  // unnecessary updates (http://crbug.com/589348).
-  PowerStatus::BatteryImageInfo previous_battery_image_info_;
-
-  // Only used in material design.
   base::string16 accessible_name_;
 
   DISALLOW_COPY_AND_ASSIGN(PowerStatusView);