Made notification center notifications collapsed and expandable.

ui/message_center/notifier_settings_view.h

Index: ui/message_center/notifier_settings_view.h
diff --git a/ui/message_center/notifier_settings_view.h b/ui/message_center/notifier_settings_view.h
index 811ccca21fb1710dcb73416fd80e600da15c3d7c..d92b62caa4076ec3f144e0b7ae335dacb9be8752 100644
--- a/ui/message_center/notifier_settings_view.h
+++ b/ui/message_center/notifier_settings_view.h
@@ -44,13 +44,13 @@ class MESSAGE_CENTER_EXPORT NotifierSettingsView
   NotifierSettingsView(NotifierSettingsViewDelegate* delegate);
   virtual ~NotifierSettingsView();
 
-  // views::WidgetDelegate overrides:
+  // Overridden from views::WidgetDelegate:
   virtual bool CanResize() const OVERRIDE;
   virtual string16 GetWindowTitle() const OVERRIDE;
   virtual void WindowClosing() OVERRIDE;
   virtual views::View* GetContentsView() OVERRIDE;
 
-  // views::ButtonListener overrides:
+  // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;