Add a source to V8 proxy resolver-initiated DNS requests,

net/proxy/proxy_resolver_perftest.cc

 // Copyright (c) 2011 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/base_paths.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/perftimer.h"
 #include "base/string_util.h"
 #include "net/base/mock_host_resolver.h"
 #include "net/base/net_errors.h"
 #include "net/proxy/proxy_info.h"
 #include "net/proxy/proxy_resolver_js_bindings.h"
 #include "net/proxy/proxy_resolver_v8.h"
 #include "net/proxy/sync_host_resolver.h"
 #include "net/test/test_server.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_WIN)
 #include "net/proxy/proxy_resolver_winhttp.h"
 #elif defined(OS_MACOSX)
 #include "net/proxy/proxy_resolver_mac.h"
 #endif
 
 class MockSyncHostResolver : public net::SyncHostResolver {
  public:
   virtual int Resolve(const net::HostResolver::RequestInfo& info,
-                      net::AddressList* addresses) OVERRIDE {
+                      net::AddressList* addresses,
+                      const net::BoundNetLog& net_log) OVERRIDE {
     return net::ERR_NAME_NOT_RESOLVED;
   }
 
   virtual void Shutdown() OVERRIDE {}
 };
 
 // This class holds the URL to use for resolving, and the expected result.
 // We track the expected result in order to make sure the performance
 // test is actually resolving URLs properly, otherwise the perf numbers
 // are meaningless :-)
@@ skipping 167 matching lines @@
 TEST(ProxyResolverPerfTest, ProxyResolverV8) {
   net::ProxyResolverJSBindings* js_bindings =
       net::ProxyResolverJSBindings::CreateDefault(
           new MockSyncHostResolver, NULL, NULL);
 
   net::ProxyResolverV8 resolver(js_bindings);
   PacPerfSuiteRunner runner(&resolver, "ProxyResolverV8");
   runner.RunAllTests();
 }