Refactor proxy handling for ChromeOS to not go through the CrosSettings interface.

chrome/browser/ui/webui/options/chromeos/internet_options_handler.cc

Index: chrome/browser/ui/webui/options/chromeos/internet_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/chromeos/internet_options_handler.cc b/chrome/browser/ui/webui/options/chromeos/internet_options_handler.cc
index cccdc5443035d0b1f2356b1434b26f7d01b0d9d7..632195afcc28c1f07998768a2bf879b7f26d3a70 100644
--- a/chrome/browser/ui/webui/options/chromeos/internet_options_handler.cc
+++ b/chrome/browser/ui/webui/options/chromeos/internet_options_handler.cc
@@ -29,9 +29,11 @@
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/mobile_config.h"
 #include "chrome/browser/chromeos/options/network_config_view.h"
+#include "chrome/browser/chromeos/proxy_config_service_impl.h"
 #include "chrome/browser/chromeos/sim_dialog_delegate.h"
 #include "chrome/browser/chromeos/status/network_menu_icon.h"
 #include "chrome/browser/chromeos/user_cros_settings_provider.h"
+#include "chrome/browser/net/pref_proxy_config_tracker.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
@@ -54,8 +56,7 @@
 static const char kOtherNetworksFakePath[] = "?";
 
 InternetOptionsHandler::InternetOptionsHandler()
-    : chromeos::CrosOptionsPageUIHandler(NULL),
-      proxy_settings_(NULL) {
+    : chromeos::CrosOptionsPageUIHandler(NULL) {
   registrar_.Add(this, chrome::NOTIFICATION_REQUIRE_PIN_SETTING_CHANGE_ENDED,
       content::NotificationService::AllSources());
   registrar_.Add(this, chrome::NOTIFICATION_ENTER_PIN_ENDED,
@@ -690,8 +691,10 @@ void InternetOptionsHandler::SetIPConfigCallback(const ListValue* args) {
 void InternetOptionsHandler::PopulateDictionaryDetails(
     const chromeos::Network* network) {
   DCHECK(network);
-  if (proxy_settings())
-    proxy_settings()->SetCurrentNetwork(network->service_path());
+
+  Profile::FromWebUI(web_ui_)->GetProxyConfigTracker()->UISetCurrentNetwork(
+      network->service_path());
+
   DictionaryValue dictionary;
   std::string hardware_address;
   chromeos::NetworkIPConfigVector ipconfigs = cros_->GetIPConfigs(
@@ -775,16 +778,6 @@ void InternetOptionsHandler::PopulateDictionaryDetails(
       "options.InternetOptions.showDetailedInfo", dictionary);
 }
 
-chromeos::ProxyCrosSettingsProvider* InternetOptionsHandler::proxy_settings() {
-  if (!proxy_settings_) {
-    proxy_settings_ = static_cast<chromeos::ProxyCrosSettingsProvider*>(
-      chromeos::CrosSettings::Get()->GetProvider("cros.session.proxy"));
-    if (!proxy_settings_)
-      NOTREACHED() << "Error getting access to proxy cros settings provider";
-  }
-  return proxy_settings_;
-}
-
 void InternetOptionsHandler::PopulateWifiDetails(
     const chromeos::WifiNetwork* wifi,
     DictionaryValue* dictionary) {