Fixed formating and added io_runner_.

chrome/browser/local_discovery/service_discovery_host_client.h

 // Copyright 2013 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 CHROME_BROWSER_LOCAL_DISCOVERY_SERVICE_DISCOVERY_HOST_CLIENT_H_
 #define CHROME_BROWSER_LOCAL_DISCOVERY_SERVICE_DISCOVERY_HOST_CLIENT_H_
 
 #include <map>
 #include <string>
 
@@ skipping 108 matching lines @@
 
 
   base::WeakPtr<content::UtilityProcessHost> utility_host_;
 
   // Incrementing counter to assign ID to watchers and resolvers.
   uint64 current_id_;
   WatcherCallbacks service_watcher_callbacks_;
   ResolverCallbacks service_resolver_callbacks_;
   DomainResolverCallbacks domain_resolver_callbacks_;
   scoped_refptr<base::TaskRunner> callback_runner_;
+  scoped_refptr<base::TaskRunner> io_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceDiscoveryHostClient);
 };
 
 class ServiceDiscoveryHostClientFactory : public base::NonThreadSafe {
  public:
   ServiceDiscoveryHostClientFactory();
   ~ServiceDiscoveryHostClientFactory();
 
   static ServiceDiscoveryHostClient* GetClient();
   static void ReleaseClient();
 
  private:
   friend class Singleton<ServiceDiscoveryHostClientFactory>;
 
   static ServiceDiscoveryHostClientFactory* GetInstance();
 
   ServiceDiscoveryHostClient* GetClientInternal();
   void ReleaseClientInternal();
 
   scoped_refptr<ServiceDiscoveryHostClient> instance_;
   int references_;
 };
 
 }  // namespace local_discovery
 
 #endif  // CHROME_BROWSER_LOCAL_DISCOVERY_SERVICE_DISCOVERY_HOST_CLIENT_H_