net: Cleanup class/struct forward declarations

net/log/net_log_util.h

 // Copyright 2014 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_LOG_NET_LOG_UTIL_H_
 #define NET_LOG_NET_LOG_UTIL_H_
 
 #include <memory>
 #include <set>
 
 #include "net/base/net_export.h"
 #include "net/log/net_log.h"
 
 namespace base {
 class DictionaryValue;
-class Value;
 }
 
 namespace net {
 
 class URLRequestContext;
 
 // A set of flags that can be OR'd together to request specific information
 // about the current state of the URLRequestContext.  See GetNetInfo, below.
 enum NetInfoSource {
 #define NET_INFO_SOURCE(label, string, value) NET_INFO_##label = value,
@@ skipping 33 matching lines @@
 // The reason for not returning a list of NetLog::Entries is that entries don't
 // own most of their data, so it's simplest just to pass them in to the observer
 // directly while their data is on the stack.
 NET_EXPORT void CreateNetLogEntriesForActiveObjects(
     const std::set<URLRequestContext*>& contexts,
     NetLog::ThreadSafeObserver* observer);
 
 }  // namespace net
 
 #endif  // NET_LOG_NET_LOG_UTIL_H_