Quic will push urls in x-associate-content and link headers upon ResponseHeadersComplete(). Change …

net/quic/quic_spdy_stream.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // The base class for streams which deliver data to/from an application.
 // In each direction, the data on such a stream first contains compressed
 // headers then body data.
 
 #ifndef NET_QUIC_QUIC_SPDY_STREAM_H_
 #define NET_QUIC_QUIC_SPDY_STREAM_H_
@@ skipping 34 matching lines @@
 class NET_EXPORT_PRIVATE QuicSpdyStream : public ReliableQuicStream {
  public:
   // Visitor receives callbacks from the stream.
   class NET_EXPORT_PRIVATE Visitor {
    public:
     Visitor() {}
 
     // Called when the stream is closed.
     virtual void OnClose(QuicSpdyStream* stream) = 0;
 
+    // Allows subclasses to override and do work.
+    virtual void OnPromiseHeadersComplete(QuicStreamId promised_id,
+                                          size_t frame_len) {}
+
    protected:
     virtual ~Visitor() {}
 
    private:
     DISALLOW_COPY_AND_ASSIGN(Visitor);
   };
 
   QuicSpdyStream(QuicStreamId id, QuicSpdySession* spdy_session);
   ~QuicSpdyStream() override;
 
@@ skipping 161 matching lines @@
   std::string decompressed_trailers_;
   // The parsed trailers received from the peer.
   SpdyHeaderBlock received_trailers_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSpdyStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SPDY_STREAM_H_