Don't use base::MessageLoop::{Quit,QuitClosure} in chrome/

chrome/browser/browsing_data/browsing_data_database_helper_browsertest.cc

 // Copyright (c) 2012 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.
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browsing_data/browsing_data_database_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_helper_browsertest.h"
@@ skipping 54 matching lines @@
       : database_helper_(database_helper) {
     DCHECK(database_helper_);
   }
 
   void Callback(const std::list<BrowsingDataDatabaseHelper::DatabaseInfo>&
                 database_info_list) {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
     ASSERT_EQ(1UL, database_info_list.size());
     EXPECT_EQ(std::string(kTestIdentifier1),
               database_info_list.begin()->identifier.ToString());
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
   }
 
  private:
   BrowsingDataDatabaseHelper* database_helper_;
 };
 
 // Flaky on Win/Mac/Linux: http://crbug.com/92460
 IN_PROC_BROWSER_TEST_F(BrowsingDataDatabaseHelperTest, DISABLED_FetchData) {
   CreateDatabases();
   scoped_refptr<BrowsingDataDatabaseHelper> database_helper(
@@ skipping 57 matching lines @@
                  base::Unretained(&callback)));
 
   std::list<BrowsingDataDatabaseHelper::DatabaseInfo> result =
       callback.result();
 
   ASSERT_EQ(1u, result.size());
   EXPECT_EQ(origin_str, result.begin()->identifier.ToString());
   EXPECT_STREQ(db, result.begin()->database_name.c_str());
 }
 }  // namespace