Use TestBrowserThreadBundle instead of TestBrowserThread in sync code.

chrome/browser/sync/about_sync_util_unittest.cc

Index: chrome/browser/sync/about_sync_util_unittest.cc
diff --git a/chrome/browser/sync/about_sync_util_unittest.cc b/chrome/browser/sync/about_sync_util_unittest.cc
index 6755d1b9f0f3dc4ee305f3b643ec90a500ebe1fd..7c4c84d3ccc2d04d24ddbffecbf279fc27b32a8d 100644
--- a/chrome/browser/sync/about_sync_util_unittest.cc
+++ b/chrome/browser/sync/about_sync_util_unittest.cc
@@ -6,21 +6,20 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/about_sync_util.h"
 #include "chrome/browser/sync/profile_sync_service_mock.h"
-#include "content/public/test/test_browser_thread.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::NiceMock;
 using ::testing::Return;
 using ::testing::_;
-using content::BrowserThread;
 
 namespace sync_ui_util {
 namespace {
 
 TEST(SyncUIUtilTestAbout, ConstructAboutInformationWithUnrecoverableErrorTest) {
-  base::MessageLoopForUI message_loop;
-  content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop);
+  content::TestBrowserThreadBundle thread_bundle(
+      content::TestBrowserThreadBundle::DEFAULT);
   scoped_ptr<Profile> profile(
       ProfileSyncServiceMock::MakeSignedInTestingProfile());
   NiceMock<ProfileSyncServiceMock> service(profile.get());