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

net/websockets/websocket_test_util.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_test_util.h"
 
 #include "base/basictypes.h"
 #include "base/strings/stringprintf.h"
 #include "net/socket/socket_test_util.h"
 
@@ skipping 19 matching lines @@
 std::string WebSocketStandardRequest(const std::string& path,
                                      const std::string& origin,
                                      const std::string& extra_headers) {
   // Unrelated changes in net/http may change the order and default-values of
   // HTTP headers, causing WebSocket tests to fail. It is safe to update this
   // string in that case.
   return base::StringPrintf(
       "GET %s HTTP/1.1\r\n"
       "Host: localhost\r\n"
       "Connection: Upgrade\r\n"
+      "Pragma: no-cache\r\n"
+      "Cache-Control: no-cache\r\n"
       "Upgrade: websocket\r\n"
       "Origin: %s\r\n"
       "Sec-WebSocket-Version: 13\r\n"
       "User-Agent:\r\n"
       "Accept-Encoding: gzip,deflate\r\n"
       "Accept-Language: en-us,fr\r\n"
       "Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
       "Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits\r\n"
       "%s\r\n",
       path.c_str(),
@@ skipping 73 matching lines @@
 
 TestURLRequestContext*
 WebSocketTestURLRequestContextHost::GetURLRequestContext() {
   url_request_context_.Init();
   // A Network Delegate is required to make the URLRequest::Delegate work.
   url_request_context_.set_network_delegate(&network_delegate_);
   return &url_request_context_;
 }
 
 }  // namespace net