[Devtools] Allow User-Agent header override for Websockets

net/websockets/websocket_stream_cookie_test.cc

 // Copyright 2015 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 <string>
 
 #include "base/callback_forward.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 26 matching lines @@
     // We assume cookie_header ends with CRLF if not empty, as
     // WebSocketStandardRequestWithCookies requires. Use AddCRLFIfNotEmpty
     // in a call site.
     CHECK(cookie_header.empty() ||
           base::EndsWith(cookie_header, "\r\n", base::CompareCase::SENSITIVE));
 
     url_request_context_host_.SetExpectations(
         WebSocketStandardRequestWithCookies(url.path(), url.host(), origin,
                                             cookie_header, std::string()),
         response_body);
-    CreateAndConnectStream(url.spec(), NoSubProtocols(), origin, nullptr);
+    CreateAndConnectStream(url.spec(), NoSubProtocols(), origin, "", nullptr);
   }
 
   std::string AddCRLFIfNotEmpty(const std::string& s) {
     return s.empty() ? s : s + "\r\n";
   }
 };
 
 struct ClientUseCookieParameter {
   // The URL for the WebSocket connection.
   const char* const url;
@@ skipping 439 matching lines @@
      "",
      "Set-Cookie: test-cookie"},
 };
 
 INSTANTIATE_TEST_CASE_P(WebSocketStreamServerSetCookieTest,
                         WebSocketStreamServerSetCookieTest,
                         ValuesIn(kServerSetCookieParameters));
 
 }  // namespace
 }  // namespace net