Added PrivetHTTPResolution::Start for service name only

chrome/browser/local_discovery/privet_notifications_unittest.cc

 // 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.
 
 #include "chrome/browser/local_discovery/privet_http_asynchronous_factory.h"
 
 #include "chrome/browser/local_discovery/privet_http_impl.h"
 #include "chrome/browser/local_discovery/privet_notifications.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
@@ skipping 35 matching lines @@
         : name_(name), request_context_(request_context) {}
 
     ~MockResolution() override {}
 
     void Start(const net::HostPortPair& address,
                const ResultCallback& callback) override {
       callback.Run(scoped_ptr<PrivetHTTPClient>(new PrivetHTTPClientImpl(
           name_, net::HostPortPair("1.2.3.4", 8080), request_context_.get())));
     }
 
+    void Start(const ResultCallback& callback) override {
+      Start(net::HostPortPair(), callback);
+    }
+
     const std::string& GetName() override { return name_; }
 
    private:
     std::string name_;
     scoped_refptr<net::URLRequestContextGetter> request_context_;
   };
 
   explicit MockPrivetHttpFactory(net::URLRequestContextGetter* request_context)
       : request_context_(request_context) {
   }
@@ skipping 137 matching lines @@
       true,
       kExampleDeviceName,
       description_);
 
   SuccessfulResponseToInfo(kInfoResponseNoUptime);
 }
 
 }  // namespace
 
 }  // namespace local_discovery