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

chrome/browser/importer/profile_writer_unittest.cc

 // Copyright 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.
 
 #include "chrome/browser/importer/profile_writer.h"
 
 #include <string>
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
@@ skipping 84 matching lines @@
     history_service->QueryHistory(
         base::string16(),
         options,
         base::Bind(&ProfileWriterTest::HistoryQueryComplete,
                    base::Unretained(this)),
         &history_task_tracker);
     base::MessageLoop::current()->Run();
   }
 
   void HistoryQueryComplete(history::QueryResults* results) {
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
     history_count_ = results->size();
   }
 
  protected:
   std::vector<ImportedBookmarkEntry> bookmarks_;
   history::URLRows pages_;
   size_t history_count_;
 
  private:
   void AddImportedBookmarkEntry(const GURL& url, const base::string16& title) {
@@ skipping 81 matching lines @@
       new TestProfileWriter(&profile));
   profile_writer->AddHistoryPage(pages_, history::SOURCE_FIREFOX_IMPORTED);
   VerifyHistoryCount(&profile);
   size_t original_history_count = history_count_;
   history_count_ = 0;
 
   profile_writer->AddHistoryPage(pages_, history::SOURCE_FIREFOX_IMPORTED);
   VerifyHistoryCount(&profile);
   EXPECT_EQ(original_history_count, history_count_);
 }