Ensure tests have an active task runner

chrome/browser/autocomplete/autocomplete_provider_unittest.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 "components/omnibox/autocomplete_provider.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/autocomplete_controller.h"
 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
 #include "components/omnibox/autocomplete_input.h"
 #include "components/omnibox/autocomplete_match.h"
 #include "components/omnibox/autocomplete_provider_listener.h"
 #include "components/omnibox/keyword_provider.h"
 #include "components/omnibox/search_provider.h"
 #include "components/search_engines/search_engines_switches.h"
 #include "components/search_engines/template_url.h"
 #include "components/search_engines/template_url_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 static std::ostream& operator<<(std::ostream& os,
                                 const AutocompleteResult::const_iterator& it) {
   return os << static_cast<const AutocompleteMatch*>(&(*it));
 }
 
 namespace {
 const size_t kResultsPerProvider = 3;
 const char kTestTemplateURLKeyword[] = "t";
@@ skipping 184 matching lines @@
   }
 
   AutocompleteResult result_;
 
  private:
   // content::NotificationObserver:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
-  base::MessageLoopForUI message_loop_;
+  content::TestBrowserThreadBundle thread_bundle_;
   content::NotificationRegistrar registrar_;
   TestingProfile profile_;
   scoped_ptr<AutocompleteController> controller_;
 };
 
 void AutocompleteProviderTest::RegisterTemplateURL(
     const base::string16 keyword,
     const std::string& template_url) {
   if (TemplateURLServiceFactory::GetForProfile(&profile_) == NULL) {
     TemplateURLServiceFactory::GetInstance()->SetTestingFactoryAndUse(
@@ skipping 492 matching lines @@
   EXPECT_FALSE(search_provider_field_trial_triggered_in_session());
   url = GetDestinationURL(match, base::TimeDelta::FromMilliseconds(2456));
   EXPECT_EQ("//aqs=chrome.0.69i57j69i58j5l2j0l3j69i59.2456j0j4&", url.path());
 
   // Test page classification and field trial triggered set.
   set_search_provider_field_trial_triggered_in_session(true);
   EXPECT_TRUE(search_provider_field_trial_triggered_in_session());
   url = GetDestinationURL(match, base::TimeDelta::FromMilliseconds(2456));
   EXPECT_EQ("//aqs=chrome.0.69i57j69i58j5l2j0l3j69i59.2456j1j4&", url.path());
 }