Websocket should fire 'error' event if no server available

net/socket_stream/socket_stream.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // TODO(ukai): code is similar with http_network_transaction.cc.  We should
 //   think about ways to share code, if possible.
 
 #include "net/socket_stream/socket_stream.h"
 
 #include <set>
@@ skipping 340 matching lines @@
   DCHECK_LE(result, OK);
   if (result == OK)
     result = ERR_CONNECTION_CLOSED;
   DCHECK_EQ(next_state_, STATE_NONE);
   DVLOG(1) << "Finish result=" << ErrorToString(result);
 
   metrics_->OnClose();
   Delegate* delegate = delegate_;
   delegate_ = NULL;
   if (delegate) {
-    delegate->OnError(this, result);
+    if (result != ERR_CONNECTION_CLOSED)
+      delegate->OnError(this, result);
     if (result != ERR_PROTOCOL_SWITCHED)
       delegate->OnClose(this);
   }
   Release();
 }
 
 int SocketStream::DidEstablishConnection() {
   if (!socket_.get() || !socket_->IsConnected()) {
     next_state_ = STATE_CLOSE;
     return ERR_CONNECTION_FAILED;
@@ skipping 934 matching lines @@
 
 SSLConfigService* SocketStream::ssl_config_service() const {
   return context_->ssl_config_service();
 }
 
 ProxyService* SocketStream::proxy_service() const {
   return context_->proxy_service();
 }
 
 }  // namespace net