Uses ProxyConfigServiceLinux in the chromoting host to configure proxy.

remoting/base/url_request_context_getter.cc

 // Copyright 2014 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 "remoting/base/url_request_context_getter.h"
 
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
 #include "net/proxy/proxy_config_service.h"
+#include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_builder.h"
 #include "remoting/base/vlog_net_log.h"
 
-#if defined(OS_WIN)
-#include "net/proxy/proxy_config_service_win.h"
-#elif defined(OS_IOS)
-#include "net/proxy/proxy_config_service_ios.h"
-#elif defined(OS_MACOSX)
-#include "net/proxy/proxy_config_service_mac.h"
-#elif defined(OS_LINUX) && !defined(OS_CHROMEOS)
-#include "net/proxy/proxy_config_service_linux.h"
-#endif
-
 namespace remoting {
 
-namespace {
-
-// Config getter that always returns direct settings.
-class ProxyConfigServiceDirect : public net::ProxyConfigService {
- public:
-  // ProxyConfigService implementation:
-  virtual void AddObserver(Observer* observer) OVERRIDE {}
-  virtual void RemoveObserver(Observer* observer) OVERRIDE {}
-  virtual ConfigAvailability GetLatestProxyConfig(
-      net::ProxyConfig* config) OVERRIDE {
-    *config = net::ProxyConfig::CreateDirect();
-    return CONFIG_VALID;
-  }
-};
-
-net::ProxyConfigService* CreateSystemProxyConfigService(
-    base::SingleThreadTaskRunner* io_thread_task_runner) {
-#if defined(OS_WIN)
-  return new net::ProxyConfigServiceWin();

[mmenke, 2014/09/04 16:17:40]

So this was relying on NET_EXPORT_PRIVATE not actually being enforceable?

-#elif defined(OS_IOS)
-    return new net::ProxyConfigServiceIOS();
-#elif defined(OS_MACOSX)
-  return new net::ProxyConfigServiceMac(io_thread_task_runner);
-#elif defined(OS_CHROMEOS)
-  NOTREACHED() << "ChromeOS is not a supported target for Chromoting host";
-  return NULL;
-#elif defined(OS_LINUX)
-  // TODO(sergeyu): Currently ProxyConfigServiceLinux depends on
-  // base::OneShotTimer that doesn't work properly on main NPAPI
-  // thread. Fix that and uncomment the code below.
-  //
-  // net::ProxyConfigServiceLinux* linux_config_service =
-  //     new net::ProxyConfigServiceLinux();
-  // linux_config_service->SetupAndFetchInitialConfig(
-  //     ui_message_loop_, io_message_loop->message_loop_proxy(),
-  //     file_message_loop);
-
-  // return linux_config_service;
-  return new ProxyConfigServiceDirect();
-#else
-  LOG(WARNING) << "Failed to choose a system proxy settings fetcher "
-                  "for this platform.";
-  return new ProxyConfigServiceDirect();
-#endif
-}
-
-}  // namespace
-
 URLRequestContextGetter::URLRequestContextGetter(
-    scoped_refptr<base::SingleThreadTaskRunner> network_task_runner)
+    scoped_refptr<base::SingleThreadTaskRunner> network_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> file_task_runner)
     : network_task_runner_(network_task_runner) {
-  proxy_config_service_.reset(CreateSystemProxyConfigService(
-      network_task_runner_.get()));
+  proxy_config_service_.reset(net::ProxyService::CreateSystemProxyConfigService(
+      network_task_runner_, file_task_runner));
 }
 
 net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
   if (!url_request_context_.get()) {
     net::URLRequestContextBuilder builder;
     builder.set_net_log(new VlogNetLog());
     builder.DisableHttpCache();
     builder.set_proxy_config_service(proxy_config_service_.release());
     url_request_context_.reset(builder.Build());
   }
   return url_request_context_.get();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 URLRequestContextGetter::GetNetworkTaskRunner() const {
   return network_task_runner_;
 }
 
 URLRequestContextGetter::~URLRequestContextGetter() {
 }
 
 }  // namespace remoting