Move knowledge about MessageCenter out of MessageView.

ui/message_center/views/notification_view.cc

Index: ui/message_center/views/notification_view.cc
diff --git a/ui/message_center/views/notification_view.cc b/ui/message_center/views/notification_view.cc
index 5032c021953edbeffcb43b7daeea73bd2be02dfc..35a4ab11925007090cd0df5414bf172e16cdeb04 100644
--- a/ui/message_center/views/notification_view.cc
+++ b/ui/message_center/views/notification_view.cc
@@ -19,6 +19,7 @@
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/message_center_style.h"
 #include "ui/message_center/message_center_switches.h"
+#include "ui/message_center/message_center_tray.h"
 #include "ui/message_center/message_center_util.h"
 #include "ui/message_center/notification.h"
 #include "ui/message_center/notification_types.h"
@@ -461,7 +462,11 @@ NotificationView::NotificationView(const Notification& notification,
                                    MessageCenter* message_center,
                                    MessageCenterTray* tray,
                                    bool expanded)
-    : MessageView(notification, message_center, tray),
+    : MessageView(notification.display_source()),
+      message_center_(message_center),
+      tray_(tray),
+      notification_id_(notification.id()),
+      notifier_id_(notification.notifier_id()),
       clickable_(notification.clickable()),
       is_expanded_(expanded) {
   std::vector<string16> accessible_lines;
@@ -739,7 +744,7 @@ views::View* NotificationView::GetEventHandlerForRect(const gfx::Rect& rect) {
 }
 
 gfx::NativeCursor NotificationView::GetCursor(const ui::MouseEvent& event) {
-  if (!clickable_ || !message_center()->HasClickedListener(notification_id()))
+  if (!clickable_ || !message_center_->HasClickedListener(notification_id_))
     return views::View::GetCursor(event);
 
 #if defined(USE_AURA)
@@ -755,7 +760,7 @@ void NotificationView::ButtonPressed(views::Button* sender,
   // See if the button pressed was an action button.
   for (size_t i = 0; i < action_buttons_.size(); ++i) {
     if (sender == action_buttons_[i]) {
-      message_center()->ClickOnNotificationButton(notification_id(), i);
+      message_center_->ClickOnNotificationButton(notification_id_, i);
       return;
     }
   }
@@ -770,7 +775,7 @@ void NotificationView::ButtonPressed(views::Button* sender,
       image_view_->SetVisible(true);
 
     is_expanded_ = true;
-    message_center()->ExpandNotification(notification_id());
+    message_center_->ExpandNotification(notification_id_);
     return;
   }
 
@@ -780,6 +785,26 @@ void NotificationView::ButtonPressed(views::Button* sender,
   MessageView::ButtonPressed(sender, event);
 }
 
+MessageViewTypes NotificationView::GetType() {
+  return NOTIFICATION_VIEW;
+}
+
+void NotificationView::ClickOnNotification() {
+  message_center_->ClickOnNotification(notification_id_);
+}
+
+void NotificationView::RemoveNotification(bool by_user) {
+  message_center_->RemoveNotification(notification_id_, by_user);
+}
+
+void NotificationView::DisableNotificationsFromThisSource() {
+  message_center_->DisableNotificationsByNotifier(notifier_id_);
+}
+
+void NotificationView::ShowNotifierSettingsBubble() {
+  tray_->ShowNotifierSettingsBubble();
+}
+
 bool NotificationView::IsExpansionNeeded(int width) {
   return (!is_expanded_ &&
               (image_view_ ||