Implement PUSH_PROMISE handling in spdy_session

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 16c17a3205465d595b4867d4e4a27ea03a07d3bb..b74b1ee8b0a54bfd983a11c17de4c81923e37bd2 100644
--- a/net/spdy/spdy_session.h
+++ b/net/spdy/spdy_session.h
@@ -611,6 +611,11 @@ class NET_EXPORT SpdySession : public BufferedSpdyFramerVisitorInterface,
   // possible.
   void ProcessPendingStreamRequests();
 
+  bool TryCreatePushStream(SpdyStreamId stream_id,
+                           SpdyStreamId associated_stream_id,
+                           SpdyPriority priority,
+                           const SpdyHeaderBlock& headers);
+
   // Close the stream pointed to by the given iterator. Note that that
   // stream may hold the last reference to the session.
   void CloseActiveStreamIterator(ActiveStreamMap::iterator it, int status);