[WebSocket] Add Cache-Control to the request header.

net/websockets/websocket_stream.cc

 // Copyright 2013 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.
 
 #include "net/websockets/websocket_stream.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_status_code.h"
@@ skipping 149 matching lines @@
   headers.SetHeader(HttpRequestHeaders::kConnection, websockets::kUpgrade);
   headers.SetHeader(HttpRequestHeaders::kOrigin, origin.spec());
   // TODO(ricea): Move the version number to websocket_handshake_constants.h
   headers.SetHeader(websockets::kSecWebSocketVersion,
                     websockets::kSupportedVersion);
   request->url_request()->SetExtraRequestHeaders(headers);
   request->url_request()->SetUserData(
       WebSocketHandshakeStreamBase::CreateHelper::DataKey(),
       create_helper.release());
   request->url_request()->SetLoadFlags(LOAD_DISABLE_CACHE |
+                                       LOAD_BYPASS_CACHE |
                                        LOAD_DO_NOT_PROMPT_FOR_LOGIN);
   request->url_request()->Start();
   return request.PassAs<WebSocketStreamRequest>();
 }
 
 }  // namespace
 
 WebSocketStreamRequest::~WebSocketStreamRequest() {}
 
 WebSocketStream::WebSocketStream() {}
@@ skipping 29 matching lines @@
       scoped_ptr<WebSocketStream::ConnectDelegate> connect_delegate) {
   return CreateAndConnectStreamWithCreateHelper(socket_url,
                                                 create_helper.Pass(),
                                                 origin,
                                                 url_request_context,
                                                 net_log,
                                                 connect_delegate.Pass());
 }
 
 }  // namespace net