[Chromecast] Add proxy server support to chromecast

chromecast/browser/url_request_context_factory.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 "chromecast/browser/url_request_context_factory.h"
 
+#include <algorithm>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/worker_pool.h"
 #include "chromecast/base/chromecast_switches.h"
+#include "chromecast/browser/cast_browser_process.h"
 #include "chromecast/browser/cast_http_user_agent_settings.h"
 #include "chromecast/browser/cast_network_delegate.h"
+#include "components/proxy_config/pref_proxy_config_tracker_impl.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cookie_store_factory.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "net/cert/cert_verifier.h"
 #include "net/cert/ct_policy_enforcer.h"
 #include "net/cert/ct_policy_status.h"
 #include "net/cert/do_nothing_ct_verifier.h"
 #include "net/cert_net/nss_ocsp.h"
@@ skipping 135 matching lines @@
 
 URLRequestContextFactory::URLRequestContextFactory()
     : app_network_delegate_(CastNetworkDelegate::Create()),
       system_network_delegate_(CastNetworkDelegate::Create()),
       system_dependencies_initialized_(false),
       main_dependencies_initialized_(false),
       media_dependencies_initialized_(false),
       enable_quic_(true) {}
 
 URLRequestContextFactory::~URLRequestContextFactory() {
+  pref_proxy_config_tracker_impl_->DetachFromPrefService();
 }
 
 void URLRequestContextFactory::InitializeOnUIThread(net::NetLog* net_log) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   // Cast http user agent settings must be initialized in UI thread
   // because it registers itself to pref notification observer which is not
   // thread safe.
   http_user_agent_settings_.reset(new CastHttpUserAgentSettings());
 
   // Proxy config service should be initialized in UI thread, since
   // ProxyConfigServiceDelegate on Android expects UI thread.
-  proxy_config_service_ = net::ProxyService::CreateSystemProxyConfigService(
-      content::BrowserThread::GetTaskRunnerForThread(
-          content::BrowserThread::IO),
-      content::BrowserThread::GetTaskRunnerForThread(
-          content::BrowserThread::FILE));
+  pref_proxy_config_tracker_impl_ =
+      base::WrapUnique<PrefProxyConfigTrackerImpl>(
+          new PrefProxyConfigTrackerImpl(
+              CastBrowserProcess::GetInstance()->pref_service(),
+              content::BrowserThread::GetTaskRunnerForThread(
+                  content::BrowserThread::IO)));
 
+  proxy_config_service_ =
+      pref_proxy_config_tracker_impl_->CreateTrackingProxyConfigService(
+          nullptr);
+  DCHECK(proxy_config_service_.get());
   net_log_ = net_log;
 }
 
 net::URLRequestContextGetter* URLRequestContextFactory::CreateMainGetter(
     content::BrowserContext* browser_context,
     content::ProtocolHandlerMap* protocol_handlers,
     content::URLRequestInterceptorScopedVector request_interceptors) {
   DCHECK(!main_getter_.get())
       << "Main URLRequestContextGetter already initialized";
   main_getter_ =
@@ skipping 265 matching lines @@
   if (media_getter_) {
     media_getter_->GetURLRequestContext()
         ->http_transaction_factory()
         ->GetSession()
         ->DisableQuic();
   }
 }
 
 }  // namespace shell
 }  // namespace chromecast