Avoid creating MemoryAllocatorDump for individual sockets

net/spdy/spdy_session.h

Index: net/spdy/spdy_session.h
diff --git a/net/spdy/spdy_session.h b/net/spdy/spdy_session.h
index 4a4d85f95fa1a90de7d0abd7f53880b769071b2a..1abb0e5e0fae6054c28ebd2178a3f56cb143a609 100644
--- a/net/spdy/spdy_session.h
+++ b/net/spdy/spdy_session.h
@@ -47,12 +47,6 @@
 #include "url/gurl.h"
 #include "url/scheme_host_port.h"
 
-namespace base {
-namespace trace_event {
-class ProcessMemoryDump;
-}
-}
-
 namespace net {
 
 namespace test {
@@ -564,10 +558,12 @@ class NET_EXPORT SpdySession : public BufferedSpdyFramerVisitorInterface,
   // HigherLayeredPool implementation:
   bool CloseOneIdleConnection() override;
 
-  // 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;
+  // Dumps memory allocation stats to |stats|. Sets |*is_session_active| to
+  // indicate whether session is active.
+  // |stats| can be assumed as being default initialized upon entry.
+  // Implementation overrides fields in |stats| and does not increment them.
+  void DumpMemoryStats(StreamSocket::SocketMemoryStats* stats,
+                       bool* is_session_active) const;
 
  private:
   friend class test::SpdyStreamTest;