Made notification center notifications collapsed and expandable.

ui/message_center/message_simple_view.cc

Index: ui/message_center/message_simple_view.cc
diff --git a/ui/message_center/message_simple_view.cc b/ui/message_center/message_simple_view.cc
index 8f85b458ae119af6a4a91264ecf79f2fb5401ca5..8666e22e3ead8b9c653a819c7d0ea5bf5173b725 100644
--- a/ui/message_center/message_simple_view.cc
+++ b/ui/message_center/message_simple_view.cc
@@ -20,10 +20,9 @@ namespace message_center {
 const SkColor kNotificationColor = SkColorSetRGB(0xfe, 0xfe, 0xfe);
 const SkColor kNotificationReadColor = SkColorSetRGB(0xfa, 0xfa, 0xfa);
 
-MessageSimpleView::MessageSimpleView(
-    NotificationList::Delegate* list_delegate,
-    const Notification& notification)
-    : MessageView(list_delegate, notification) {
+MessageSimpleView::MessageSimpleView(const Notification& notification,
+                                     NotificationList::Delegate* delegate)
+    : MessageView(notification, delegate, false) {
   views::ImageButton* close = new views::ImageButton(this);
   close->SetImage(
       views::CustomButton::STATE_NORMAL,
@@ -64,7 +63,7 @@ void MessageSimpleView::SetUpView(const Notification& notification) {
   views::ImageView* icon = new views::ImageView;
   icon->SetImageSize(
       gfx::Size(kWebNotificationIconSize, kWebNotificationIconSize));
-  icon->SetImage(notification.primary_icon());
+  icon->SetImage(notification.icon());
 
   views::Label* title = new views::Label(notification.title());
   title->SetHorizontalAlignment(gfx::ALIGN_LEFT);