Ensure tests have an active task runner

chrome/browser/sync/profile_sync_service_bookmark_unittest.cc

Index: chrome/browser/sync/profile_sync_service_bookmark_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_bookmark_unittest.cc b/chrome/browser/sync/profile_sync_service_bookmark_unittest.cc
index 17ed42ee8181372cf4243b57060b5f8257097d3b..5974e36b44ab25dac07a4dcb492e3f6f3abeb954 100644
--- a/chrome/browser/sync/profile_sync_service_bookmark_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_bookmark_unittest.cc
@@ -328,7 +328,6 @@ class ProfileSyncServiceBookmarkTest : public testing::Test {
 
   ProfileSyncServiceBookmarkTest()
       : model_(NULL),
-        thread_bundle_(content::TestBrowserThreadBundle::DEFAULT),
         local_merge_result_(syncer::BOOKMARKS),
         syncer_merge_result_(syncer::BOOKMARKS) {}
 
@@ -753,6 +752,9 @@ class ProfileSyncServiceBookmarkTest : public testing::Test {
         model_->bookmark_bar_node()->id());
   }
 
+ private:
+  content::TestBrowserThreadBundle thread_bundle_;
+
  protected:
   TestingProfile profile_;
   BookmarkModel* model_;
@@ -762,7 +764,6 @@ class ProfileSyncServiceBookmarkTest : public testing::Test {
   scoped_ptr<BookmarkModelAssociator> model_associator_;
 
  private:
-  content::TestBrowserThreadBundle thread_bundle_;
   syncer::SyncMergeResult local_merge_result_;
   syncer::SyncMergeResult syncer_merge_result_;
 };