Allow chrome to handle 407 auth challenges to CONNECT requests

net/http/http_proxy_client_socket.h

Index: net/http/http_proxy_client_socket.h
===================================================================
--- net/http/http_proxy_client_socket.h	(revision 110584)
+++ net/http/http_proxy_client_socket.h	(working copy)
@@ -50,15 +50,6 @@
   // On destruction Disconnect() is called.
   virtual ~HttpProxyClientSocket();
 
-  // If Connect (or its callback) returns PROXY_AUTH_REQUESTED, then
-  // credentials should be added to the HttpAuthController before calling
-  // RestartWithAuth.
-  int RestartWithAuth(OldCompletionCallback* callback);
-
-  const scoped_refptr<HttpAuthController>& auth_controller() {
-    return auth_;
-  }
-
   bool using_spdy() {
     return using_spdy_;
   }
@@ -66,6 +57,8 @@
   // ProxyClientSocket methods:
   virtual const HttpResponseInfo* GetConnectResponseInfo() const OVERRIDE;
   virtual HttpStream* CreateConnectResponseStream() OVERRIDE;
+  virtual int RestartWithAuth(OldCompletionCallback* callback) OVERRIDE;
+  virtual const scoped_refptr<HttpAuthController>& auth_controller() OVERRIDE;
 
   // StreamSocket methods:
   virtual int Connect(OldCompletionCallback* callback) OVERRIDE;
@@ -103,8 +96,6 @@
     STATE_READ_HEADERS_COMPLETE,
     STATE_DRAIN_BODY,
     STATE_DRAIN_BODY_COMPLETE,
-    STATE_TCP_RESTART,
-    STATE_TCP_RESTART_COMPLETE,
     STATE_DONE,
   };
 
@@ -116,8 +107,6 @@
   int PrepareForAuthRestart();
   int DidDrainBodyForAuthRestart(bool keep_alive);
 
-  int HandleAuthChallenge();
-
   void LogBlockedTunnelResponse(int response_code) const;
 
   void DoCallback(int result);
@@ -132,8 +121,6 @@
   int DoReadHeadersComplete(int result);
   int DoDrainBody();
   int DoDrainBodyComplete(int result);
-  int DoTCPRestart();
-  int DoTCPRestartComplete(int result);
 
   OldCompletionCallbackImpl<HttpProxyClientSocket> io_callback_;
   State next_state_;