Prefix string16 with base:: in ui/.

ui/message_center/cocoa/tray_view_controller_unittest.mm

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ui/message_center/cocoa/tray_view_controller.h"
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 58 matching lines @@
 TEST_F(TrayViewControllerTest, AddRemoveOne) {
   NSScrollView* view = [[tray_ scrollView] documentView];
   EXPECT_EQ(0u, [[view subviews] count]);
   scoped_ptr<message_center::Notification> notification_data;
   notification_data.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE,
       "1",
       ASCIIToUTF16("First notification"),
       ASCIIToUTF16("This is a simple test."),
       gfx::Image(),
-      string16(),
+      base::string16(),
       DummyNotifierId(),
       message_center::RichNotificationData(),
       NULL));
   center_->AddNotification(notification_data.Pass());
   [tray_ onMessageCenterTrayChanged];
   ASSERT_EQ(1u, [[view subviews] count]);
 
   // The view should have padding around it.
   NSView* notification = [[view subviews] objectAtIndex:0];
   NSRect notification_frame = [notification frame];
@@ skipping 13 matching lines @@
 TEST_F(TrayViewControllerTest, AddThreeClearAll) {
   NSScrollView* view = [[tray_ scrollView] documentView];
   EXPECT_EQ(0u, [[view subviews] count]);
   scoped_ptr<message_center::Notification> notification;
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE,
       "1",
       ASCIIToUTF16("First notification"),
       ASCIIToUTF16("This is a simple test."),
       gfx::Image(),
-      string16(),
+      base::string16(),
       DummyNotifierId(),
       message_center::RichNotificationData(),
       NULL));
   center_->AddNotification(notification.Pass());
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE,
       "2",
       ASCIIToUTF16("Second notification"),
       ASCIIToUTF16("This is a simple test."),
       gfx::Image(),
-      string16(),
+      base::string16(),
       DummyNotifierId(),
       message_center::RichNotificationData(),
       NULL));
   center_->AddNotification(notification.Pass());
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE,
       "3",
       ASCIIToUTF16("Third notification"),
       ASCIIToUTF16("This is a simple test."),
       gfx::Image(),
-      string16(),
+      base::string16(),
       DummyNotifierId(),
       message_center::RichNotificationData(),
       NULL));
   center_->AddNotification(notification.Pass());
   [tray_ onMessageCenterTrayChanged];
   ASSERT_EQ(3u, [[view subviews] count]);
 
   [tray_ clearAllNotifications:nil];
   WaitForAnimationEnded();
   [tray_ onMessageCenterTrayChanged];
@@ skipping 12 matching lines @@
             NSMinX([[tray_ pauseButton] frame]));
 
   // Add a notification.
   scoped_ptr<message_center::Notification> notification;
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE,
       "1",
       ASCIIToUTF16("First notification"),
       ASCIIToUTF16("This is a simple test."),
       gfx::Image(),
-      string16(),
+      base::string16(),
       DummyNotifierId(),
       message_center::RichNotificationData(),
       NULL));
   center_->AddNotification(notification.Pass());
   [tray_ onMessageCenterTrayChanged];
 
   // Clear all should now be visible.
   EXPECT_FALSE([[tray_ clearAllButton] isHidden]);
   EXPECT_GT(NSMinX([[tray_ clearAllButton] frame]),
             NSMinX([[tray_ pauseButton] frame]));
 
   // Adding a second notification should keep things still visible.
   notification.reset(new message_center::Notification(
       message_center::NOTIFICATION_TYPE_SIMPLE,
       "2",
       ASCIIToUTF16("Second notification"),
       ASCIIToUTF16("This is a simple test."),
       gfx::Image(),
-      string16(),
+      base::string16(),
       DummyNotifierId(),
       message_center::RichNotificationData(),
       NULL));
   center_->AddNotification(notification.Pass());
   [tray_ onMessageCenterTrayChanged];
   EXPECT_FALSE([[tray_ clearAllButton] isHidden]);
   EXPECT_GT(NSMinX([[tray_ clearAllButton] frame]),
             NSMinX([[tray_ pauseButton] frame]));
 
   // Clear all notifications.
@@ skipping 39 matching lines @@
 
   [tray_ showMessages:nil];
   EXPECT_EQ(1, provider.closed_called_count());
   EXPECT_TRUE(center_->IsMessageCenterVisible());
 
   // The tray should be back at its previous height now.
   EXPECT_EQ(trayHeight, NSHeight([[tray_ view] frame]));
 }
 
 }  // namespace message_center