Made notification center notifications collapsed and expandable.

ui/message_center/notification_view.h

Index: ui/message_center/notification_view.h
diff --git a/ui/message_center/notification_view.h b/ui/message_center/notification_view.h
index 1b9b630509a25581f815320a0259fd467582eb6d..67e3b8a9081bc17ef75245a636d92b8c30e05c2d 100644
--- a/ui/message_center/notification_view.h
+++ b/ui/message_center/notification_view.h
@@ -5,6 +5,8 @@
 #ifndef UI_MESSAGE_CENTER_NOTIFICATION_VIEW_H_
 #define UI_MESSAGE_CENTER_NOTIFICATION_VIEW_H_
 
+#include <vector>

[dharcourt, 2013/02/23 04:32:00]

Better to have this here explicitly since we use a std::Vector below rather than
depend on one of the .h's included below happening to have its own include of
<vector>.

+
 #include "ui/message_center/message_view.h"
 #include "ui/message_center/notification_list.h"
 
@@ -30,9 +32,10 @@ class NotificationView : public MessageView {
   // Overridden from View.
   virtual void Layout() OVERRIDE;
   virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
 
   // Overridden from MessageView.
-  virtual void SetUpView() OVERRIDE;
+  virtual void SetExpanded(bool expanded) OVERRIDE;
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
@@ -40,6 +43,7 @@ class NotificationView : public MessageView {
   views::View* MakeContentView();
 
   views::View* content_view_;
+  views::ImageView* icon_view_;
   std::vector<views::Button*> action_buttons_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationView);