Ensure tests have an active task runner

chrome/browser/chromeos/preferences_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 "chrome/browser/chromeos/preferences.h"
 
 #include "base/json/json_string_value_serializer.h"
 #include "base/prefs/pref_member.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
@@ skipping 175 matching lines @@
     // given the same address in the next test.
     UserSessionManager::GetInstance()->RemoveProfileForTesting(test_profile_);
   }
 
   void InitPreferences() {
     prefs_->InitUserPrefsForTesting(
         pref_service_, test_user_, mock_manager_->GetActiveIMEState());
     prefs_->SetInputMethodListForTesting();
   }
 
+  content::TestBrowserThreadBundle thread_bundle_;
   scoped_ptr<TestingProfileManager> profile_manager_;
   scoped_ptr<chromeos::ScopedUserManagerEnabler> user_manager_enabler_;
   scoped_ptr<Preferences> prefs_;
   StringPrefMember previous_input_method_;
   StringPrefMember current_input_method_;
 
   // Not owned.
   const user_manager::User* test_user_;
   TestingProfile* test_profile_;
   TestingPrefServiceSyncable* pref_service_;
@@ skipping 139 matching lines @@
                    &extension_ime_util::GetInputMethodIDByEngineID);
     return JoinString(tokens, ',');
   }
 
   StringPrefMember preferred_languages_;
   StringPrefMember preferred_languages_syncable_;
   StringPrefMember preload_engines_;
   StringPrefMember preload_engines_syncable_;
   StringPrefMember enabled_extension_imes_;
   StringPrefMember enabled_extension_imes_syncable_;
-  content::TestBrowserThreadBundle thread_bundle_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputMethodPreferencesTest);
 };
 
 // Tests that the server values are added to the values chosen at OOBE.
 TEST_F(InputMethodPreferencesTest, TestOobeAndSync) {
   // Choose options at OOBE.
   pref_service_->SetBoolean(
       prefs::kLanguageShouldMergeInputMethods, true);
@@ skipping 332 matching lines @@
         "Syncable values should have added local values on initialization.");
     ExpectGlobalValues(
         "es,en-US",
         "xkb:es::spa,xkb:us::eng,xkb:ru::rus,xkb:xy::xyz," +
             ToInputMethodIds("xkb:jp::jpn"),
         std::string(kIdentityIMEID) + "," + kUnknownIMEID);
   }
 }
 
 }  // namespace chromeos