Instrument SSL sockets using MemoryDumpProvider

net/socket/stream_socket.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.
 
 #ifndef NET_SOCKET_STREAM_SOCKET_H_
 #define NET_SOCKET_STREAM_SOCKET_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "net/base/net_export.h"
 #include "net/socket/connection_attempts.h"
 #include "net/socket/next_proto.h"
 #include "net/socket/socket.h"
 
+namespace base {
+namespace trace_event {
+class ProcessMemoryDump;
+}
+}
+
 namespace net {
 
 class IPEndPoint;
 class NetLogWithSource;
 class SSLInfo;
 
 class NET_EXPORT_PRIVATE StreamSocket : public Socket {
  public:
   ~StreamSocket() override {}
 
@@ skipping 77 matching lines @@
 
   // Adds |attempts| to the socket's list of connection attempts.
   virtual void AddConnectionAttempts(const ConnectionAttempts& attempts) = 0;
 
   // Returns the total number of number bytes read by the socket. This only
   // counts the payload bytes. Transport headers are not counted. Returns
   // 0 if the socket does not implement the function. The count is reset when
   // Disconnect() is called.
   virtual int64_t GetTotalReceivedBytes() const = 0;
 
+  // Dumps memory allocation stats. |parent_dump_absolute_name| is the name
+  // used by the parent MemoryAllocatorDump in the memory dump hierarchy.
+  // Default implementation does nothing.
+  virtual void DumpMemoryStats(
+      base::trace_event::ProcessMemoryDump* pmd,
+      const std::string& parent_dump_absolute_name) const {};
+
  protected:
   // The following class is only used to gather statistics about the history of
   // a socket.  It is only instantiated and used in basic sockets, such as
   // TCPClientSocket* instances.  Other classes that are derived from
   // StreamSocket should forward any potential settings to their underlying
   // transport sockets.
   class UseHistory {
    public:
     UseHistory();
     ~UseHistory();
@@ skipping 26 matching lines @@
     // identify the motivation.
     bool omnibox_speculation_;
     bool subresource_speculation_;
     DISALLOW_COPY_AND_ASSIGN(UseHistory);
   };
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_STREAM_SOCKET_H_