Allow chrome to handle 407 auth challenges to CONNECT requests

net/spdy/spdy_proxy_client_socket.cc

Index: net/spdy/spdy_proxy_client_socket.cc
===================================================================
--- net/spdy/spdy_proxy_client_socket.cc	(revision 110584)
+++ net/spdy/spdy_proxy_client_socket.cc	(working copy)
@@ -63,6 +63,19 @@
   return response_.headers ? &response_ : NULL;
 }
 
+int SpdyProxyClientSocket::RestartWithAuth(OldCompletionCallback* callback) {
+  // A SPDY Stream can only handle a single request, so the underlying
+  // stream may not be reused and a new SpdyProxyClientSocket must be
+  // created (possibly on top of the same SPDY Session).
+  next_state_ = STATE_DISCONNECTED;
+  return OK;
+}
+
+const
+scoped_refptr<HttpAuthController>& SpdyProxyClientSocket::auth_controller() {
+  return auth_;
+}
+
 HttpStream* SpdyProxyClientSocket::CreateConnectResponseStream() {
   DCHECK(response_stream_.get());
   return response_stream_.release();
@@ -384,6 +397,16 @@
   if (response_.headers->response_code() == 200) {
     return OK;
   } else if (response_.headers->response_code() == 407) {
+    int rv = HandleAuthChallenge(auth_, &response_, net_log_);
+    if (rv != ERR_PROXY_AUTH_REQUESTED) {
+      return rv;
+    }
+    // SPDY only supports basic and digest auth
+    if (auth_->auth_info() &&
+        (auth_->auth_info()->scheme == "basic" ||
+         auth_->auth_info()->scheme == "digest")) {
+      return ERR_PROXY_AUTH_REQUESTED;
+    }
     return ERR_TUNNEL_CONNECTION_FAILED;
   } else {
     // Immediately hand off our SpdyStream to a newly created SpdyHttpStream