Replace scoped_ptr with std::unique_ptr in //ui

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 f80288831896ea81dbf4dff8d3b4dafa7eb0cb65..de85e2c284e3a3293c6cadc0cf9ec30a42eedc82 100644
--- a/ui/message_center/cocoa/popup_collection_unittest.mm
+++ b/ui/message_center/cocoa/popup_collection_unittest.mm
@@ -4,10 +4,10 @@
 
 #import "ui/message_center/cocoa/popup_collection.h"
 
+#include <memory>
 #include <utility>
 
 #include "base/mac/scoped_nsobject.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/sys_string_conversions.h"
@@ -49,7 +49,7 @@ class PopupCollectionTest : public ui::CocoaTest {
   }
 
   void AddThreeNotifications() {
-    scoped_ptr<message_center::Notification> notification;
+    std::unique_ptr<message_center::Notification> notification;
     notification.reset(new message_center::Notification(
         message_center::NOTIFICATION_TYPE_SIMPLE, "1", ASCIIToUTF16("One"),
         ASCIIToUTF16("This is the first notification to"
@@ -96,7 +96,7 @@ class PopupCollectionTest : public ui::CocoaTest {
   }
 
   base::MessageLoopForUI message_loop_;
-  scoped_ptr<base::RunLoop> nested_run_loop_;
+  std::unique_ptr<base::RunLoop> nested_run_loop_;
   message_center::MessageCenter* center_;
   base::scoped_nsobject<MCPopupCollection> collection_;
 };
@@ -118,7 +118,7 @@ TEST_F(PopupCollectionTest, AttemptFourOneOffscreen) {
   AddThreeNotifications();
   EXPECT_EQ(2u, [[collection_ popups] count]);  // "3" does not fit on screen.
 
-  scoped_ptr<message_center::Notification> notification;
+  std::unique_ptr<message_center::Notification> notification;
 
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE, "4", ASCIIToUTF16("Four"),
@@ -163,7 +163,7 @@ TEST_F(PopupCollectionTest, LayoutSpacing) {
   // Set priority so that kMaxVisiblePopupNotifications does not hide it.
   message_center::RichNotificationData optional;
   optional.priority = message_center::HIGH_PRIORITY;
-  scoped_ptr<message_center::Notification> notification;
+  std::unique_ptr<message_center::Notification> notification;
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE, "4", ASCIIToUTF16("Four"),
       ASCIIToUTF16("This is the fourth notification."), gfx::Image(),
@@ -194,7 +194,7 @@ TEST_F(PopupCollectionTest, TinyScreen) {
   [collection_ setScreenFrame:NSMakeRect(0, 0, 800, 100)];
 
   EXPECT_EQ(0u, [[collection_ popups] count]);
-  scoped_ptr<message_center::Notification> notification;
+  std::unique_ptr<message_center::Notification> notification;
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE, "1", ASCIIToUTF16("One"),
       ASCIIToUTF16("This is the first notification to"
@@ -247,7 +247,7 @@ TEST_F(PopupCollectionTest, UpdateIconAndBody) {
   // Replace "1".
   controller = [[popups objectAtIndex:0] notificationController];
   NSRect old_frame = [[controller view] frame];
-  scoped_ptr<message_center::Notification> notification;
+  std::unique_ptr<message_center::Notification> notification;
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE, "1",
       ASCIIToUTF16("One is going to get a much longer "
@@ -274,7 +274,7 @@ TEST_F(PopupCollectionTest, UpdateIconAndBody) {
 }
 
 TEST_F(PopupCollectionTest, UpdatePriority) {
-  scoped_ptr<message_center::Notification> notification;
+  std::unique_ptr<message_center::Notification> notification;
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE, "1", ASCIIToUTF16("One"),
       ASCIIToUTF16("This notification should not yet toast."), gfx::Image(),
@@ -302,7 +302,7 @@ TEST_F(PopupCollectionTest, UpdatePriority) {
 
 TEST_F(PopupCollectionTest, CloseCollectionBeforeNewPopupAnimationEnds) {
   // Add a notification and don't wait for the animation to finish.
-  scoped_ptr<message_center::Notification> notification;
+  std::unique_ptr<message_center::Notification> notification;
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE, "1", ASCIIToUTF16("One"),
       ASCIIToUTF16("This is the first notification to"
@@ -331,7 +331,7 @@ TEST_F(PopupCollectionTest, CloseCollectionBeforeUpdatePopupAnimationEnds) {
   AddThreeNotifications();
 
   // Update a notification and don't wait for the animation to finish.
-  scoped_ptr<message_center::Notification> notification;
+  std::unique_ptr<message_center::Notification> notification;
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE, "1", ASCIIToUTF16("One"),
       ASCIIToUTF16("New message."), gfx::Image(), base::string16(), GURL(),