http2: Update priorities of pushed streams

net/spdy/buffered_spdy_framer.cc

 // Copyright (c) 2012 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.
 
 #include "net/spdy/buffered_spdy_framer.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 301 matching lines @@
 SpdySerializedFrame* BufferedSpdyFramer::CreatePushPromise(
     SpdyStreamId stream_id,
     SpdyStreamId promised_stream_id,
     SpdyHeaderBlock headers) {
   SpdyPushPromiseIR push_promise_ir(stream_id, promised_stream_id,
                                     std::move(headers));
   return new SpdySerializedFrame(
       spdy_framer_.SerializePushPromise(push_promise_ir));
 }
 
+// TODO(jgraettinger): Eliminate uses of this method (prefer
+// SpdyPriorityIR).
+SpdySerializedFrame* BufferedSpdyFramer::CreatePriority(
+    SpdyStreamId stream_id,
+    SpdyStreamId dependency_id,
+    int weight,
+    bool exclusive) const {
+  SpdyPriorityIR priority_ir(stream_id, dependency_id, weight, exclusive);
+  return new SpdySerializedFrame(spdy_framer_.SerializePriority(priority_ir));
+}
+
 SpdyPriority BufferedSpdyFramer::GetHighestPriority() const {
   return spdy_framer_.GetHighestPriority();
 }
 
 void BufferedSpdyFramer::InitHeaderStreaming(SpdyStreamId stream_id) {
   header_buffer_.clear();
   header_buffer_valid_ = true;
   header_stream_id_ = stream_id;
   DCHECK_NE(header_stream_id_, SpdyFramer::kInvalidStream);
 }
 
 }  // namespace net