Rewrite std::string("") to std::string(), Linux edition.

net/proxy/proxy_resolver_v8_tracing_unittest.cc

 // Copyright (c) 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 "net/proxy/proxy_resolver_v8_tracing.h"
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
@@ skipping 264 matching lines @@
 // the correct set of queries.
 TEST_F(ProxyResolverV8TracingTest, Dns) {
   CapturingNetLog log;
   CapturingBoundNetLog request_log;
   MockCachingHostResolver host_resolver;
   MockErrorObserver* error_observer = new MockErrorObserver;
   ProxyResolverV8Tracing resolver(&host_resolver, error_observer, &log);
 
   host_resolver.rules()->AddRuleForAddressFamily(
       "host1", ADDRESS_FAMILY_IPV4, "166.155.144.44");
-  host_resolver.rules()->AddIPLiteralRule("host1", "::1,192.168.1.1", "");
+  host_resolver.rules()
+      ->AddIPLiteralRule("host1", "::1,192.168.1.1", std::string());
   host_resolver.rules()->AddSimulatedFailure("host2");
   host_resolver.rules()->AddRule("host3", "166.155.144.33");
   host_resolver.rules()->AddRule("host5", "166.155.144.55");
   host_resolver.rules()->AddSimulatedFailure("host6");
   host_resolver.rules()->AddRuleForAddressFamily(
       "*", ADDRESS_FAMILY_IPV4, "122.133.144.155");
   host_resolver.rules()->AddRule("*", "133.122.100.200");
 
   InitResolver(&resolver, "dns.js");
 
@@ skipping 692 matching lines @@
 // correctly at the same time. This is relevant because at the moment (time
 // this test was written) each ProxyResolverV8Tracing creates its own thread to
 // run V8 on, however each thread is operating on the same v8::Isolate.
 TEST_F(ProxyResolverV8TracingTest, MultipleResolvers) {
   // ------------------------
   // Setup resolver0
   // ------------------------
   MockHostResolver host_resolver0;
   host_resolver0.rules()->AddRuleForAddressFamily(
       "host1", ADDRESS_FAMILY_IPV4, "166.155.144.44");
-  host_resolver0.rules()->AddIPLiteralRule("host1", "::1,192.168.1.1", "");
+  host_resolver0.rules()
+      ->AddIPLiteralRule("host1", "::1,192.168.1.1", std::string());
   host_resolver0.rules()->AddSimulatedFailure("host2");
   host_resolver0.rules()->AddRule("host3", "166.155.144.33");
   host_resolver0.rules()->AddRule("host5", "166.155.144.55");
   host_resolver0.rules()->AddSimulatedFailure("host6");
   host_resolver0.rules()->AddRuleForAddressFamily(
       "*", ADDRESS_FAMILY_IPV4, "122.133.144.155");
   host_resolver0.rules()->AddRule("*", "133.122.100.200");
   ProxyResolverV8Tracing resolver0(
       &host_resolver0, new MockErrorObserver, NULL);
   InitResolver(&resolver0, "dns.js");
@@ skipping 78 matching lines @@
                 proxy_uri.substr(0, proxy_uri.find(':') + 1));
     } else {
       NOTREACHED();
     }
   }
 }
 
 }  // namespace
 
 }  // namespace net