Make URLRequestContext a MemoryDumpProvider (Abandoned)

net/socket/stream_socket.h

Index: net/socket/stream_socket.h
diff --git a/net/socket/stream_socket.h b/net/socket/stream_socket.h
index b038d9b54db72cf727c6bf22e1eed3f65cd48a15..9adc1fde1abd9d9c10741ba6971261325746a977 100644
--- a/net/socket/stream_socket.h
+++ b/net/socket/stream_socket.h
@@ -13,6 +13,12 @@
 #include "net/socket/next_proto.h"
 #include "net/socket/socket.h"
 
+namespace base {
+namespace trace_event {
+class MemoryAllocatorDump;
+}
+}
+
 namespace net {
 
 class IPEndPoint;
@@ -110,6 +116,12 @@ class NET_EXPORT_PRIVATE StreamSocket : public Socket {
   // Disconnect() is called.
   virtual int64_t GetTotalReceivedBytes() const = 0;
 
+  // Called by the socket pool to dump memory allocation stats. |dump| is the
+  // MemoryAllocatorDump of the socket pool. Default implementation does
+  // nothing.
+  virtual void DumpMemoryStats(
+      base::trace_event::MemoryAllocatorDump* dump) 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