net: Cleanup class/struct forward declarations

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>
 #include <string>
 
 #include "base/macros.h"
 #include "net/url_request/url_request_test_util.h"
 #include "net/websockets/websocket_stream.h"
 
-class GURL;
-
-namespace base {
-class Timer;
-}  // namespace base
-
 namespace url {
 class Origin;
 }  // namespace url
 
 namespace net {
 
 class MockClientSocketFactory;
-class NetLogWithSource;
 class ProxyService;
 class SequencedSocketData;
 struct SSLSocketDataProvider;
-class URLRequestContext;
 
 class LinearCongruentialGenerator {
  public:
   explicit LinearCongruentialGenerator(uint32_t seed);
   uint32_t Generate();
 
  private:
   uint64_t current_;
 };
 
@@ skipping 95 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_