|  | // 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_SOCKET_CLIENT_SOCKET_POOL_HISTOGRAMS_H_ | 
|  | #define NET_SOCKET_CLIENT_SOCKET_POOL_HISTOGRAMS_H_ | 
|  |  | 
|  | #include <string> | 
|  |  | 
|  | #include "base/memory/ref_counted.h" | 
|  | #include "base/time.h" | 
|  | #include "net/base/net_export.h" | 
|  |  | 
|  | namespace base { | 
|  | class Histogram; | 
|  | } | 
|  |  | 
|  | namespace net { | 
|  |  | 
|  | class NET_EXPORT_PRIVATE ClientSocketPoolHistograms { | 
|  | public: | 
|  | ClientSocketPoolHistograms(const std::string& pool_name); | 
|  | ~ClientSocketPoolHistograms(); | 
|  |  | 
|  | void AddSocketType(int socket_reuse_type) const; | 
|  | void AddRequestTime(base::TimeDelta time) const; | 
|  | void AddUnusedIdleTime(base::TimeDelta time) const; | 
|  | void AddReusedIdleTime(base::TimeDelta time) const; | 
|  |  | 
|  | private: | 
|  | base::Histogram* socket_type_; | 
|  | base::Histogram* request_time_; | 
|  | base::Histogram* unused_idle_time_; | 
|  | base::Histogram* reused_idle_time_; | 
|  |  | 
|  | bool is_http_proxy_connection_; | 
|  | bool is_socks_connection_; | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolHistograms); | 
|  | }; | 
|  |  | 
|  | }  // namespace net | 
|  |  | 
|  | #endif  // NET_SOCKET_CLIENT_SOCKET_POOL_HISTOGRAMS_H_ |