Instrument SSL sockets using MemoryDumpProvider

net/socket/client_socket_pool_base.h

 // Copyright (c) 2012 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.
 //
 // A ClientSocketPoolBase is used to restrict the number of sockets open at
 // a time.  It also maintains a list of idle persistent sockets for reuse.
 // Subclasses of ClientSocketPool should compose ClientSocketPoolBase to handle
 // the core logic of (1) restricting the number of active (connected or
 // connecting) sockets per "group" (generally speaking, the hostname), (2)
 // maintaining a per-group list of idle, persistent sockets for reuse, and (3)
@@ skipping 38 matching lines @@
 #include "net/base/network_change_notifier.h"
 #include "net/base/priority_queue.h"
 #include "net/base/request_priority.h"
 #include "net/log/net_log_with_source.h"
 #include "net/socket/client_socket_handle.h"
 #include "net/socket/client_socket_pool.h"
 #include "net/socket/stream_socket.h"
 
 namespace base {
 class DictionaryValue;
+namespace trace_event {
+class ProcessMemoryDump;
+}
 }
 
 namespace net {
 
 class ClientSocketHandle;
 struct NetLogSource;
 
 // ConnectJob provides an abstract interface for "connecting" a socket.
 // The connection may involve host resolution, tcp connection, ssl connection,
 // etc.
@@ skipping 262 matching lines @@
   bool CloseOneIdleSocket();
 
   // Checks higher layered pools to see if they can close an idle connection.
   bool CloseOneIdleConnectionInHigherLayeredPool();
 
   // See ClientSocketPool::GetInfoAsValue for documentation on this function.
   std::unique_ptr<base::DictionaryValue> GetInfoAsValue(
       const std::string& name,
       const std::string& type) const;
 
+  // Dumps memory allocation stats. |parent_dump_absolute_name| is the name
+  // used by the parent MemoryAllocatorDump in the memory dump hierarchy.
+  void DumpMemoryStats(base::trace_event::ProcessMemoryDump* pmd,
+                       const std::string& parent_dump_absolute_name) const;
+
   base::TimeDelta ConnectionTimeout() const {
     return connect_job_factory_->ConnectionTimeout();
   }
 
   static bool connect_backup_jobs_enabled();
   static bool set_connect_backup_jobs_enabled(bool enabled);
 
   void EnableConnectBackupJobs();
 
   // ConnectJob::Delegate methods:
@@ skipping 435 matching lines @@
 
   int IdleSocketCountInGroup(const std::string& group_name) const {
     return helper_.IdleSocketCountInGroup(group_name);
   }
 
   LoadState GetLoadState(const std::string& group_name,
                          const ClientSocketHandle* handle) const {
     return helper_.GetLoadState(group_name, handle);
   }
 
+  void DumpMemoryStats(base::trace_event::ProcessMemoryDump* pmd,
+                       const std::string& parent_dump_absolute_name) const {
+    return helper_.DumpMemoryStats(pmd, parent_dump_absolute_name);
+  }
+
   virtual void OnConnectJobComplete(int result, ConnectJob* job) {
     return helper_.OnConnectJobComplete(result, job);
   }
 
   int NumUnassignedConnectJobsInGroup(const std::string& group_name) const {
     return helper_.NumUnassignedConnectJobsInGroup(group_name);
   }
 
   int NumConnectJobsInGroup(const std::string& group_name) const {
     return helper_.NumConnectJobsInGroup(group_name);
@@ skipping 62 matching lines @@
   };
 
   internal::ClientSocketPoolBaseHelper helper_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolBase);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_