Revert of Make ProfileIOData use URLRequestContextBuilder

chrome/browser/net/proxy_service_factory.h

Index: chrome/browser/net/proxy_service_factory.h
diff --git a/chrome/browser/net/proxy_service_factory.h b/chrome/browser/net/proxy_service_factory.h
index 4bc76b7298c0d54dfd54234f4e8cbab73d4d883f..aea984fa81360a5687af68a5f5a75416b26a883a 100644
--- a/chrome/browser/net/proxy_service_factory.h
+++ b/chrome/browser/net/proxy_service_factory.h
@@ -12,8 +12,16 @@
 class PrefProxyConfigTracker;
 class PrefService;
 
+namespace base {
+class CommandLine;
+}
+
 namespace net {
+class NetLog;
+class NetworkDelegate;
 class ProxyConfigService;
+class ProxyService;
+class URLRequestContext;
 }
 
 class ProxyServiceFactory {
@@ -37,6 +45,16 @@
   static PrefProxyConfigTracker* CreatePrefProxyConfigTrackerOfLocalState(
       PrefService* local_state_prefs);
 
+  // Create a proxy service according to the options on command line.
+  static std::unique_ptr<net::ProxyService> CreateProxyService(
+      net::NetLog* net_log,
+      net::URLRequestContext* context,
+      net::NetworkDelegate* network_delegate,
+      std::unique_ptr<net::ProxyConfigService> proxy_config_service,
+      const base::CommandLine& command_line,
+      bool quick_check_enabled,
+      bool pac_https_url_stripping_enabled);
+
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(ProxyServiceFactory);
 };