Cleanup: Remove unneeded forward declararations in net.

net/url_request/url_request_test_util.h

 // Copyright (c) 2011 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_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
 #define NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_
 #pragma once
 
 #include <stdlib.h>
 
-#include <sstream>
+#include <map>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "base/string16.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "googleurl/src/url_util.h"
@@ skipping 10 matching lines @@
 #include "net/http/http_cache.h"
 #include "net/http/http_network_layer.h"
 #include "net/proxy/proxy_service.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::TimeDelta;
 
-namespace net {
-class HostPortPair;
-}
-
 //-----------------------------------------------------------------------------
 
 class TestURLRequestContext : public net::URLRequestContext {
  public:
   TestURLRequestContext();
   // Default constructor like TestURLRequestContext() but does not call
   // Init() in case |delay_initialization| is true. This allows modifying the
   // URLRequestContext before it is constructed completely. If
   // |delay_initialization| is true, Init() needs be be called manually.
   explicit TestURLRequestContext(bool delay_initialization);
@@ skipping 177 matching lines @@
   // This bit-set indicates for each request id (key) what events may be sent
   // next.
   std::map<int, int> next_states_;
 
   // A log that records for each request id (key) the order in which On...
   // functions were called.
   std::map<int, std::string> event_order_;
 };
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_TEST_UTIL_H_