Revert 110879 - Allow chrome to handle 407 auth challenges to CONNECT requests

net/http/proxy_client_socket.h

Index: net/http/proxy_client_socket.h
===================================================================
--- net/http/proxy_client_socket.h	(revision 110879)
+++ net/http/proxy_client_socket.h	(working copy)
@@ -10,7 +10,6 @@
 
 namespace net {
 
-class HttpAuthController;
 class HttpStream;
 class HttpResponseInfo;
 
@@ -27,15 +26,6 @@
   // which can be used to read the response body.
   virtual HttpStream* CreateConnectResponseStream() = 0;
 
-  // Returns the HttpAuthController which can be used
-  // to interact with an HTTP Proxy Authorization Required (407) request.
-  virtual const scoped_refptr<HttpAuthController>& auth_controller() = 0;
-
-  // If Connect (or its callback) returns PROXY_AUTH_REQUESTED, then
-  // credentials should be added to the HttpAuthController before calling
-  // RestartWithAuth.
-  virtual int RestartWithAuth(OldCompletionCallback* callback) = 0;
-
  private:
   DISALLOW_COPY_AND_ASSIGN(ProxyClientSocket);
 };