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

This CL updates chrome/browser/* other than chrome/browser/ui which is in
another CL.

BUG=236029
TBR=brettw

Review URL: https://chromiumcodereview.appspot.com/14113053

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202664 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_function_test_utils.cc b/chrome/browser/extensions/extension_function_test_utils.cc
index d834aa00..3104222 100644
--- a/chrome/browser/extensions/extension_function_test_utils.cc
+++ b/chrome/browser/extensions/extension_function_test_utils.cc
@@ -229,7 +229,7 @@
     response_.reset(new bool);
     *response_ = success;
     if (should_post_quit_) {
-      MessageLoopForUI::current()->Quit();
+      base::MessageLoopForUI::current()->Quit();
     }
   }