Allow chrome to handle 407 auth challenges to CONNECT requests

net/http/http_proxy_utils.cc

Index: net/http/http_proxy_utils.cc
===================================================================
--- net/http/http_proxy_utils.cc	(revision 118888)
+++ net/http/http_proxy_utils.cc	(working copy)
@@ -7,8 +7,12 @@
 #include "base/stringprintf.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/host_port_pair.h"
+#include "net/base/net_errors.h"
 #include "net/base/net_util.h"
+#include "net/http/http_auth_controller.h"
 #include "net/http/http_request_info.h"
+#include "net/http/http_response_headers.h"
+#include "net/http/http_response_info.h"
 
 namespace net {
 
@@ -36,4 +40,16 @@
   request_headers->MergeFrom(auth_headers);
 }
 
+int HandleAuthChallenge(HttpAuthController* auth,
+                        HttpResponseInfo* response,
+                        const BoundNetLog& net_log) {
+  DCHECK(response->headers);
+
+  int rv = auth->HandleAuthChallenge(response->headers, false, true, net_log);
+  response->auth_challenge = auth->auth_info();
+  if (rv == OK)
+    return ERR_PROXY_AUTH_REQUESTED;
+  return rv;
+}
+
 }  // namespace net