Sync the browser test host resolver with the network process before a test runs.

content/utility/utility_service_factory.h

 // Copyright 2015 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.
 
 #ifndef CONTENT_UTILITY_UTILITY_SERVICE_FACTORY_H_
 #define CONTENT_UTILITY_UTILITY_SERVICE_FACTORY_H_
 
 #include "base/macros.h"
 #include "content/child/service_factory.h"
+#include "services/service_manager/public/cpp/binder_registry.h"
 
 namespace content {
 
 // Customization of ServiceFactory for the utility process. Exposed to the
 // browser via the utility process's InterfaceRegistry.
 class UtilityServiceFactory : public ServiceFactory {
  public:
   UtilityServiceFactory();
   ~UtilityServiceFactory() override;
 
   // ServiceFactory overrides:
   void RegisterServices(ServiceMap* services) override;
   void OnServiceQuit() override;
 
  private:
   void OnLoadFailed() override;
 
+  std::unique_ptr<service_manager::Service> CreateNetworkService();
+
+  // Allows embedders to register their interface implementations before the
+  // network service is created.
+  std::unique_ptr<service_manager::BinderRegistry> network_registry_;
+
   DISALLOW_COPY_AND_ASSIGN(UtilityServiceFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_UTILITY_UTILITY_SERVICE_FACTORY_H_