Add iOS support to ProxyService

chrome/browser/net/proxy_service_factory.cc

 // Copyright (c) 2012 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/proxy_service_factory.h"
 
 #include "base/command_line.h"
 #include "base/string_number_conversions.h"
 #include "base/threading/thread.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 59 matching lines @@
 #endif  // defined(OS_CHROMEOS)
 
 // static
 net::ProxyService* ProxyServiceFactory::CreateProxyService(
     net::NetLog* net_log,
     net::URLRequestContext* context,
     net::ProxyConfigService* proxy_config_service,
     const CommandLine& command_line) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
+#if defined(OS_IOS)
+  bool use_v8 = false;
+#else
   bool use_v8 = !command_line.HasSwitch(switches::kWinHttpProxyResolver);
   if (use_v8 && command_line.HasSwitch(switches::kSingleProcess)) {
     // See the note about V8 multithreading in net/proxy/proxy_resolver_v8.h
     // to understand why we have this limitation.
     LOG(ERROR) << "Cannot use V8 Proxy resolver in single process mode.";
     use_v8 = false;  // Fallback to non-v8 implementation.
   }
+#endif  // defined(OS_IOS)
 
   size_t num_pac_threads = 0u;  // Use default number of threads.
 
   // Check the command line for an override on the number of proxy resolver
   // threads to use.
   if (command_line.HasSwitch(switches::kNumPacThreads)) {
     std::string s = command_line.GetSwitchValueASCII(switches::kNumPacThreads);
 
     // Parse the switch (it should be a positive integer formatted as decimal).
     int n;
     if (base::StringToInt(s, &n) && n > 0) {
       num_pac_threads = static_cast<size_t>(n);
     } else {
       LOG(ERROR) << "Invalid switch for number of PAC threads: " << s;
     }
   }
 
   net::ProxyService* proxy_service;
   if (use_v8) {
+#if defined(OS_IOS)
+    NOTREACHED();
+#else
     net::DhcpProxyScriptFetcherFactory dhcp_factory;
     if (command_line.HasSwitch(switches::kDisableDhcpWpad)) {
       dhcp_factory.set_enabled(false);
     }
 
     proxy_service = net::ProxyService::CreateUsingV8ProxyResolver(
         proxy_config_service,
         num_pac_threads,
         new net::ProxyScriptFetcherImpl(context),
         dhcp_factory.Create(context),
         context->host_resolver(),
         net_log,
         context->network_delegate());
+#endif  // defined(OS_IOS)
   } else {
     proxy_service = net::ProxyService::CreateUsingSystemProxyResolver(
         proxy_config_service,
         num_pac_threads,
         net_log);
   }
 
   return proxy_service;
 }