Test extension reloading behavior.

chrome/browser/extensions/user_script_listener_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 "base/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
 #include "chrome/browser/extensions/extension_service_unittest.h"
 #include "chrome/browser/extensions/unpacked_installer.h"
@@ skipping 102 matching lines @@
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SimpleTestJobProtocolHandler);
 };
 
 }  // namespace
 
 class UserScriptListenerTest : public ExtensionServiceTestBase {
  public:
-  UserScriptListenerTest() {
+  UserScriptListenerTest() : ExtensionServiceTestBase(MessageLoop::TYPE_IO) {
     net::URLRequestFilter::GetInstance()->AddHostnameProtocolHandler(
         "http", "google.com",
         scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>(
             new SimpleTestJobProtocolHandler()));
     net::URLRequestFilter::GetInstance()->AddHostnameProtocolHandler(
         "http", "example.com",
         scoped_ptr<net::URLRequestJobFactory::ProtocolHandler>(
             new SimpleTestJobProtocolHandler()));
   }
 
@@ skipping 208 matching lines @@
   MessageLoop::current()->RunUntilIdle();
 
   bool defer = false;
   throttle->WillStartRequest(&defer);
   ASSERT_FALSE(defer);
 }
 
 }  // namespace
 
 }  // namespace extensions