Instrument SpdySessionPool using MemoryDumpProvider

net/socket/client_socket_handle.h

Index: net/socket/client_socket_handle.h
diff --git a/net/socket/client_socket_handle.h b/net/socket/client_socket_handle.h
index 51ef666b739421f26513b2c8df13464cb34726e7..de0381f674b90e0f61a3054ac0083f2f583f5fec 100644
--- a/net/socket/client_socket_handle.h
+++ b/net/socket/client_socket_handle.h
@@ -26,6 +26,12 @@
 #include "net/socket/connection_attempts.h"
 #include "net/socket/stream_socket.h"
 
+namespace base {
+namespace trace_event {
+class ProcessMemoryDump;
+}
+}
+
 namespace net {
 
 // A container for a StreamSocket.
@@ -122,6 +128,11 @@ class NET_EXPORT ClientSocketHandle {
   bool GetLoadTimingInfo(bool is_reused,
                          LoadTimingInfo* load_timing_info) 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;
+
   // Used by ClientSocketPool to initialize the ClientSocketHandle.
   //
   // SetSocket() may also be used if this handle is used as simply for