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

net/websockets/websocket_handshake_stream_create_helper_test.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_handshake_stream_create_helper.h"
 
 #include <string>
 #include <vector>
 
 #include "net/base/completion_callback.h"
@@ skipping 89 matching lines @@
     request_info.url = GURL(socket_url);
     request_info.method = "GET";
     request_info.load_flags = LOAD_DISABLE_CACHE | LOAD_DO_NOT_PROMPT_FOR_LOGIN;
     int rv = handshake->InitializeStream(
         &request_info, DEFAULT_PRIORITY, BoundNetLog(), CompletionCallback());
     EXPECT_EQ(OK, rv);
 
     HttpRequestHeaders headers;
     headers.SetHeader("Host", "localhost");
     headers.SetHeader("Connection", "Upgrade");
+    headers.SetHeader("Pragma", "no-cache");
+    headers.SetHeader("Cache-Control", "no-cache");
     headers.SetHeader("Upgrade", "websocket");
     headers.SetHeader("Origin", origin);
     headers.SetHeader("Sec-WebSocket-Version", "13");
     headers.SetHeader("User-Agent", "");
     headers.SetHeader("Accept-Encoding", "gzip,deflate");
     headers.SetHeader("Accept-Language", "en-us,fr");
 
     HttpResponseInfo response;
     TestCompletionCallback dummy;
 
@@ skipping 66 matching lines @@
 
   EXPECT_EQ(
       "permessage-deflate;"
       " client_max_window_bits=14; server_max_window_bits=14;"
       " server_no_context_takeover; client_no_context_takeover",
       stream->GetExtensions());
 }
 
 }  // namespace
 }  // namespace net