[Devtools] Allow User-Agent header override for Websockets

net/websockets/websocket_test_util.h

 // 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.
 
 #ifndef NET_WEBSOCKETS_WEBSOCKET_TEST_UTIL_H_
 #define NET_WEBSOCKETS_WEBSOCKET_TEST_UTIL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 27 matching lines @@
   explicit LinearCongruentialGenerator(uint32_t seed);
   uint32_t Generate();
 
  private:
   uint64_t current_;
 };
 
 // Generates a standard WebSocket handshake request. The challenge key used is
 // "dGhlIHNhbXBsZSBub25jZQ==". Each header in |extra_headers| must be terminated
 // with "\r\n".
-std::string WebSocketStandardRequest(const std::string& path,
-                                     const std::string& host,
-                                     const url::Origin& origin,
-                                     const std::string& extra_headers);
+std::string WebSocketStandardRequest(
+    const std::string& path,
+    const std::string& host,
+    const url::Origin& origin,
+    const std::string& send_additional_request_headers,
+    const std::string& extra_headers);
 
 // Generates a standard WebSocket handshake request. The challenge key used is
 // "dGhlIHNhbXBsZSBub25jZQ==". |cookies| must be empty or terminated with
 // "\r\n". Each header in |extra_headers| must be terminated with "\r\n".
 std::string WebSocketStandardRequestWithCookies(
     const std::string& path,
     const std::string& host,
     const url::Origin& origin,
     const std::string& cookies,
+    const std::string& send_additional_request_headers,
     const std::string& extra_headers);
 
 // A response with the appropriate accept header to match the above challenge
 // key. Each header in |extra_headers| must be terminated with "\r\n".
 std::string WebSocketStandardResponse(const std::string& extra_headers);
 
 // This class provides a convenient way to construct a MockClientSocketFactory
 // for WebSocket tests.
 class WebSocketMockClientSocketFactoryMaker {
  public:
@@ skipping 66 matching lines @@
   TestNetworkDelegate network_delegate_;
   std::unique_ptr<ProxyService> proxy_service_;
   bool url_request_context_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSocketTestURLRequestContextHost);
 };
 
 }  // namespace net
 
 #endif  // NET_WEBSOCKETS_WEBSOCKET_TEST_UTIL_H_