Ensure tests have an active task runner

chrome/browser/extensions/api/declarative_webrequest/webrequest_action_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 "extensions/browser/api/declarative_webrequest/webrequest_action.h"
 
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 73 matching lines @@
                             const std::string& extension_id,
                             const WebRequestActionSet* action_set,
                             RequestStage stage);
 
   // Expects a JSON description of an |action| requiring <all_urls> host
   // permission, and checks that only an extensions with full host permissions
   // can execute that action at |stage|. Also checks that the action is not
   // executable for http://clients1.google.com.
   void CheckActionNeedsAllUrls(const char* action, RequestStage stage);
 
+ private:
+  content::TestBrowserThreadBundle thread_bundle_;
+
+ protected:
   net::TestURLRequestContext context_;
 
   // An extension with *.com host permissions and the DWR permission.
   scoped_refptr<Extension> extension_;
   // An extension with host permissions for all URLs and the DWR permission.
   scoped_refptr<Extension> extension_all_urls_;
   scoped_refptr<InfoMap> extension_info_map_;
-
- private:
-  content::TestBrowserThreadBundle thread_bundle_;
 };
 
 void WebRequestActionWithThreadsTest::SetUp() {
   testing::Test::SetUp();
 
   std::string error;
   extension_ = LoadManifestUnchecked("permissions",
                                      "web_request_com_host_permissions.json",
                                      Manifest::INVALID_LOCATION,
                                      Extension::NO_FLAGS,
@@ skipping 468 matching lines @@
   for (WebRequestActionSet::Actions::const_iterator it =
            action_set->actions().begin();
        it != action_set->actions().end();
        ++it) {
     EXPECT_EQ(kExpectedNames[index], (*it)->GetName());
     ++index;
   }
 }
 
 }  // namespace extensions