Update from https://crrev.com/309415

net/spdy/spdy_framer.h

 // 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.
 
 #ifndef NET_SPDY_SPDY_FRAMER_H_
 #define NET_SPDY_SPDY_FRAMER_H_
 
 #include <list>
 #include <map>
 #include <memory>
@@ skipping 476 matching lines @@
   // new one. Figure out whether it makes sense to keep SerializeContinuation().
   SpdySerializedFrame* SerializeContinuation(
       const SpdyContinuationIR& continuation);
 
   // Serializes an ALTSVC frame. The ALTSVC frame advertises the
   // availability of an alternative service to the client.
   SpdySerializedFrame* SerializeAltSvc(const SpdyAltSvcIR& altsvc);
 
   // Serializes a PRIORITY frame. The PRIORITY frame advises a change in
   // the relative priority of the given stream.
-  SpdySerializedFrame* SerializePriority(const SpdyPriorityIR& priority);
+  SpdySerializedFrame* SerializePriority(const SpdyPriorityIR& priority) const;
 
   // Serialize a frame of unknown type.
   SpdySerializedFrame* SerializeFrame(const SpdyFrameIR& frame);
 
   // NOTES about frame compression.
   // We want spdy to compress headers across the entire session.  As long as
   // the session is over TCP, frames are sent serially.  The client & server
   // can each compress frames in the same order and then compress them in that
   // order, and the remote can do the reverse.  However, we ultimately want
   // the creation of frames to be less sensitive to order so that they can be
@@ skipping 64 matching lines @@
   SpdyStreamId expect_continuation() const { return expect_continuation_; }
 
   SpdyPriority GetLowestPriority() const {
     return spdy_version_ < SPDY3 ? 3 : 7;
   }
 
   SpdyPriority GetHighestPriority() const { return 0; }
 
   // Interpolates SpdyPriority values into SPDY4/HTTP2 priority weights,
   // and vice versa.
-  uint8 MapPriorityToWeight(SpdyPriority priority);
-  SpdyPriority MapWeightToPriority(uint8 weight);
+  static uint8 MapPriorityToWeight(SpdyPriority priority);
+  static SpdyPriority MapWeightToPriority(uint8 weight);
 
   // Deliver the given control frame's compressed headers block to the visitor
   // in decompressed form, in chunks. Returns true if the visitor has
   // accepted all of the chunks.
   bool IncrementallyDecompressControlFrameHeaderData(
       SpdyStreamId stream_id,
       const char* data,
       size_t len);
 
  protected:
@@ skipping 207 matching lines @@
   // If a HEADERS frame is followed by a CONTINUATION frame, the FIN/END_STREAM
   // flag is still carried in the HEADERS frame. If it's set, flip this so that
   // we know to terminate the stream when the entire header block has been
   // processed.
   bool end_stream_when_done_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_FRAMER_H_