Move NotificationDelegate into message_center.

ui/message_center/cocoa/popup_collection_unittest.mm

Index: ui/message_center/cocoa/popup_collection_unittest.mm
diff --git a/ui/message_center/cocoa/popup_collection_unittest.mm b/ui/message_center/cocoa/popup_collection_unittest.mm
index 8b1bf6b7bec2fbf323d80934df79488683aa6149..6a5a2a1acb44427d0b9eb5db5ddf6f67e0e2c40c 100644
--- a/ui/message_center/cocoa/popup_collection_unittest.mm
+++ b/ui/message_center/cocoa/popup_collection_unittest.mm
@@ -47,6 +47,7 @@ class PopupCollectionTest : public ui::CocoaTest {
                                           " be displayed"),
                              string16(),
                              std::string(),
+                             NULL,
                              NULL);
     center_->AddNotification(message_center::NOTIFICATION_TYPE_SIMPLE,
                              "2",
@@ -54,6 +55,7 @@ class PopupCollectionTest : public ui::CocoaTest {
                              ASCIIToUTF16("This is the second notification."),
                              string16(),
                              std::string(),
+                             NULL,
                              NULL);
     center_->AddNotification(message_center::NOTIFICATION_TYPE_SIMPLE,
                              "3",
@@ -65,6 +67,7 @@ class PopupCollectionTest : public ui::CocoaTest {
                                           "set the screen size too small."),
                              string16(),
                              std::string(),
+                             NULL,
                              NULL);
   }
 
@@ -102,6 +105,7 @@ TEST_F(PopupCollectionTest, AttemptFourOneOffscreen) {
                            ASCIIToUTF16("This is the fourth notification."),
                            string16(),
                            std::string(),
+                           NULL,
                            NULL);
 
   // Remove "1" and "4" should fit on screen.
@@ -144,7 +148,8 @@ TEST_F(PopupCollectionTest, LayoutSpacing) {
                            ASCIIToUTF16("This is the fourth notification."),
                            string16(),
                            std::string(),
-                           optional.get());
+                           optional.get(),
+                           NULL);
   EXPECT_TRUE(CheckSpacingBetween([popups objectAtIndex:2],
                                   [popups objectAtIndex:3]));
 
@@ -174,6 +179,7 @@ TEST_F(PopupCollectionTest, TinyScreen) {
                                         " be displayed"),
                            string16(),
                            std::string(),
+                           NULL,
                            NULL);
   EXPECT_EQ(1u, [[collection_ popups] count]);
 
@@ -226,6 +232,7 @@ TEST_F(PopupCollectionTest, UpdateIconAndBody) {
                                         "longer body"),
                            string16(),
                            std::string(),
+                           NULL,
                            NULL);
   EXPECT_GT(NSHeight([[controller view] frame]), NSHeight(old_frame));