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

chrome/browser/importer/ie_importer_browsertest_win.cc

 // 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.
 
 // The order of these includes is important.
 #include <windows.h>
 #include <unknwn.h>
 #include <intshcut.h>
 #include <propvarutil.h>
 #include <shlguid.h>
@@ skipping 222 matching lines @@
         ie7_password_count_(0),
         importer_items_(importer_items),
         ie_version_(ie_version) {
   }
 
   // importer::ImporterProgressObserver:
   void ImportStarted() override {}
   void ImportItemStarted(importer::ImportItem item) override {}
   void ImportItemEnded(importer::ImportItem item) override {}
   void ImportEnded() override {
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
     if (importer_items_ & importer::FAVORITES) {
       EXPECT_EQ(arraysize(kIEBookmarks), bookmark_count_);
       EXPECT_EQ(arraysize(kIEFaviconGroup), favicon_count_);
     }
     if (importer_items_ & importer::HISTORY)
       EXPECT_EQ(2, history_count_);
     if (importer_items_ & importer::HOME_PAGE)
       EXPECT_EQ(1, homepage_count_);
     if ((importer_items_ & importer::PASSWORDS) && (ie_version_ == IE7))
       EXPECT_EQ(1, ie7_password_count_);
@@ skipping 127 matching lines @@
  public:
   MalformedFavoritesRegistryTestObserver() : ProfileWriter(NULL) {
     bookmark_count_ = 0;
   }
 
   // importer::ImporterProgressObserver:
   void ImportStarted() override {}
   void ImportItemStarted(importer::ImportItem item) override {}
   void ImportItemEnded(importer::ImportItem item) override {}
   void ImportEnded() override {
-    base::MessageLoop::current()->Quit();
+    base::MessageLoop::current()->QuitWhenIdle();
     EXPECT_EQ(arraysize(kIESortedBookmarks), bookmark_count_);
   }
 
   // ProfileWriter:
   bool BookmarkModelIsLoaded() const override { return true; }
   bool TemplateURLServiceIsLoaded() const override { return true; }
 
   void AddPasswordForm(const autofill::PasswordForm& form) override {}
   void AddHistoryPage(const history::URLRows& page,
                       history::VisitSource visit_source) override {}
@@ skipping 244 matching lines @@
   source_profile.source_path = temp_dir_.path();
 
   host->StartImportSettings(
       source_profile,
       browser()->profile(),
       importer::HOME_PAGE,
       observer);
   base::MessageLoop::current()->Run();
 }