chrome: Use base::MessageLoop. (Part 3)

chrome/browser/background/background_contents_service.cc

Index: chrome/browser/background/background_contents_service.cc
diff --git a/chrome/browser/background/background_contents_service.cc b/chrome/browser/background/background_contents_service.cc
index ac9cb009fd7787832e546162d3e8c08c08664b75..84f3fd5de35d482fd1cc2ceb01032fcc51b8eb0d 100644
--- a/chrome/browser/background/background_contents_service.cc
+++ b/chrome/browser/background/background_contents_service.cc
@@ -56,9 +56,9 @@ void CloseBalloon(const std::string id) {
 }
 
 void ScheduleCloseBalloon(const std::string& extension_id) {
-  if (!MessageLoop::current())  // For unit_tests
+  if (!base::MessageLoop::current())  // For unit_tests
     return;
-  MessageLoop::current()->PostTask(
+  base::MessageLoop::current()->PostTask(
       FROM_HERE, base::Bind(&CloseBalloon, kNotificationPrefix + extension_id));
 }
 
@@ -329,7 +329,7 @@ void BackgroundContentsService::Observe(
       // notifications for this extension to be cancelled by
       // DesktopNotificationService. For this reason, instead of showing the
       // balloon right now, we schedule it to show a little later.
-      MessageLoop::current()->PostTask(
+      base::MessageLoop::current()->PostTask(
           FROM_HERE, base::Bind(&ShowBalloon, extension, profile));
       break;
     }