Implement PUSH_PROMISE handling in spdy_session

net/base/net_log_event_type_list.h

Index: net/base/net_log_event_type_list.h
diff --git a/net/base/net_log_event_type_list.h b/net/base/net_log_event_type_list.h
index c58aa94c6c95ce0da2da7622216849d6fbfc16d2..c6ed7c5d93795c7af44cec460a9ca69ac399636b 100644
--- a/net/base/net_log_event_type_list.h
+++ b/net/base/net_log_event_type_list.h
@@ -1210,6 +1210,15 @@ EVENT_TYPE(SPDY_SESSION_SEND_DATA)
 //   }
 EVENT_TYPE(SPDY_SESSION_RECV_DATA)
 
+// This event is sent for a receiving SPDY PUSH_PROMISE frame.
+// The following parameters are attached:
+//   {
+//     "headers": <The list of header:value pairs>,
+//     "id": <The stream id>,
+//     "promised_stream_id": <The stream id>,
+//   }
+EVENT_TYPE(SPDY_SESSION_RECV_PUSH_PROMISE)
+
 // A stream is stalled by the session send window being closed.
 EVENT_TYPE(SPDY_SESSION_STREAM_STALLED_BY_SESSION_SEND_WINDOW)