chromeos: Update volume key behavior.

chrome/browser/chromeos/setting_level_bubble_view.h

Index: chrome/browser/chromeos/setting_level_bubble_view.h
diff --git a/chrome/browser/chromeos/setting_level_bubble_view.h b/chrome/browser/chromeos/setting_level_bubble_view.h
index 6fa8048cddb99ace4d2e77859f3352b3ec21e406..6621e343c6edf87cbee644db562e76a1bca62198 100644
--- a/chrome/browser/chromeos/setting_level_bubble_view.h
+++ b/chrome/browser/chromeos/setting_level_bubble_view.h
@@ -22,21 +22,24 @@ class SettingLevelBubbleView : public views::View {
  public:
   SettingLevelBubbleView();
 
-  // Initialize the view, setting the progress bar to the specified position.
-  // Ownership of |icon| remains with the caller (it's probably a shared
+  // Initialize the view, setting the progress bar to the specified level and
+  // state.  Ownership of |icon| remains with the caller (it's probably a shared
   // instance from ResourceBundle).
-  void Init(SkBitmap* icon, int level_percent);
+  void Init(SkBitmap* icon, int level_percent, bool enabled);
 
   // Change the icon that we're currently displaying.
   void SetIcon(SkBitmap* icon);
 
-  // Set the progress bar to the specified position and redraw it.
-  void Update(int level_percent);
+  // Set the progress bar to the specified level and redraw it.
+  void SetLevel(int level_percent);
+
+  // Draw the progress bar in an enabled or disabled state.
+  void SetEnabled(bool enabled);
 
   // views::View implementation:
-  virtual void OnPaint(gfx::Canvas* canvas);
-  virtual void Layout();
-  virtual gfx::Size GetPreferredSize();
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+  virtual void Layout() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
 
  private:
   views::ProgressBar* progress_bar_;