Adds support for the DHCP portion of the WPAD (proxy auto-discovery) protocol.

chrome/browser/net/connection_tester.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 "chrome/browser/net/connection_tester.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/task.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/importer/firefox_proxy_settings.h"
 #include "chrome/common/chrome_switches.h"
 #include "net/base/cert_verifier.h"
 #include "net/base/cookie_monster.h"
 #include "net/base/dnsrr_resolver.h"
 #include "net/base/host_resolver.h"
 #include "net/base/host_resolver_impl.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "net/base/ssl_config_service_defaults.h"
 #include "net/ftp/ftp_network_layer.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_session.h"
+#include "net/proxy/dhcp_proxy_script_fetcher_factory.h"
 #include "net/proxy/proxy_config_service_fixed.h"
 #include "net/proxy/proxy_script_fetcher_impl.h"
 #include "net/proxy/proxy_service.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_storage.h"
 
 namespace {
 
 // ExperimentURLRequestContext ------------------------------------------------
@@ skipping 136 matching lines @@
     if (rv != net::OK)
       return rv;  // Failure.
 
     if (CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kSingleProcess)) {
       // We can't create a standard proxy resolver in single-process mode.
       // Rather than falling-back to some other implementation, fail.
       return net::ERR_NOT_IMPLEMENTED;
     }
 
+    net::DhcpProxyScriptFetcherFactory dhcp_factory;
+    if (CommandLine::ForCurrentProcess()->HasSwitch(
+        switches::kEnableDhcpWpad)) {
+      dhcp_factory.set_enabled(true);
+    }
+
     proxy_service->reset(net::ProxyService::CreateUsingV8ProxyResolver(
         config_service.release(),
         0u,
         new net::ProxyScriptFetcherImpl(proxy_request_context_),
+        dhcp_factory.Create(proxy_request_context_),
         host_resolver(),
         NULL,
         NULL));
 
     return net::OK;
   }
 
   // Creates a proxy config service that pulls from the system proxy settings.
   // On success returns net::OK and fills |config_service| with a new pointer.
   // Otherwise returns a network error code.
@@ skipping 251 matching lines @@
 
   // Notify the delegate of completion.
   delegate_->OnCompletedConnectionTestExperiment(current, result);
 
   if (remaining_experiments_.empty()) {
     delegate_->OnCompletedConnectionTestSuite();
   } else {
     StartNextExperiment();
   }
 }