[Chromecast] Add proxy server support to chromecast

chromecast/browser/cast_browser_process.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/cast_browser_process.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "chromecast/base/metrics/cast_metrics_helper.h"
 #include "chromecast/browser/cast_browser_context.h"
 #include "chromecast/browser/cast_resource_dispatcher_host_delegate.h"
 #include "chromecast/browser/devtools/remote_debugging_server.h"
 #include "chromecast/browser/metrics/cast_metrics_service_client.h"
 #include "chromecast/net/connectivity_checker.h"
 #include "chromecast/service/cast_service.h"
 #include "components/prefs/pref_service.h"
+#include "components/proxy_config/pref_proxy_config_tracker_impl.h"
+#include "content/public/browser/browser_thread.h"
+#include "net/proxy/proxy_service.h"
 
 #if defined(OS_ANDROID)
 #include "components/crash/content/browser/crash_dump_manager_android.h"
 #endif  // defined(OS_ANDROID)
 
 #if defined(USE_AURA)
 #include "chromecast/graphics/cast_screen.h"
 #endif  // defined(USE_AURA)
 
 namespace chromecast {
@@ skipping 11 matching lines @@
 
 CastBrowserProcess::CastBrowserProcess()
     : cast_content_browser_client_(nullptr),
       net_log_(nullptr) {
   DCHECK(!g_instance);
   g_instance = this;
 }
 
 CastBrowserProcess::~CastBrowserProcess() {
   DCHECK_EQ(g_instance, this);
+  pref_proxy_config_tracker_impl_->DetachFromPrefService();
+  connectivity_checker_->DetachFromPrefService();
+
+  content::BrowserThread::GetTaskRunnerForThread(content::BrowserThread::IO)
+      ->DeleteSoon(FROM_HERE, proxy_service_.release());
   if (pref_service_)
     pref_service_->CommitPendingWrite();
   g_instance = NULL;
 }
 
 void CastBrowserProcess::SetBrowserContext(
     std::unique_ptr<CastBrowserContext> browser_context) {
   DCHECK(!browser_context_);
   browser_context_.swap(browser_context);
 }
@@ skipping 27 matching lines @@
 void CastBrowserProcess::SetMetricsServiceClient(
     std::unique_ptr<metrics::CastMetricsServiceClient> metrics_service_client) {
   DCHECK(!metrics_service_client_);
   metrics_service_client_.swap(metrics_service_client);
 }
 
 void CastBrowserProcess::SetPrefService(
     std::unique_ptr<PrefService> pref_service) {
   DCHECK(!pref_service_);
   pref_service_.swap(pref_service);
+
+  pref_proxy_config_tracker_impl_ =

[wzhong, 2017/02/07 15:56:02]

I'd rather you have a separate function SetPrefProxyConfigTrackImpl().

[almasrymina, 2017/02/08 00:48:03]

Removed with new approach.

+      base::MakeUnique<PrefProxyConfigTrackerImpl>(
+          pref_service_.get(), content::BrowserThread::GetTaskRunnerForThread(
+                                   content::BrowserThread::IO));
+}
+
+void CastBrowserProcess::SetProxyService() {
+  std::unique_ptr<net::ProxyConfigService> proxy_config_service =
+      pref_proxy_config_tracker_impl_->CreateTrackingProxyConfigService(
+          nullptr);
+
+  proxy_service_ = net::ProxyService::CreateUsingSystemProxyResolver(
+      std::move(proxy_config_service), 0, nullptr);
 }
 
 void CastBrowserProcess::SetRemoteDebuggingServer(
     std::unique_ptr<RemoteDebuggingServer> remote_debugging_server) {
   DCHECK(!remote_debugging_server_);
   remote_debugging_server_.swap(remote_debugging_server);
 }
 
 void CastBrowserProcess::SetResourceDispatcherHostDelegate(
     std::unique_ptr<CastResourceDispatcherHostDelegate> delegate) {
@@ skipping 15 matching lines @@
   connectivity_checker_.swap(connectivity_checker);
 }
 
 void CastBrowserProcess::SetNetLog(net::NetLog* net_log) {
   DCHECK(!net_log_);
   net_log_ = net_log;
 }
 
 }  // namespace shell
 }  // namespace chromecast