Accept and ignore PRIORITY frames in SPDY4+.

net/spdy/spdy_protocol.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/spdy_protocol.h"
 
 namespace net {
 
 SpdyFrameWithNameValueBlockIR::SpdyFrameWithNameValueBlockIR(
     SpdyStreamId stream_id) : SpdyFrameWithFinIR(stream_id) {}
@@ skipping 80 matching lines @@
           return WINDOW_UPDATE;
       }
       break;
     case SPDY4:
     case SPDY5:
       switch (frame_type_field) {
         case 0:
           return DATA;
         case 1:
           return HEADERS;
-        // TODO(hkhalil): Add PRIORITY.
+        case 2:
+          return PRIORITY;
         case 3:
           return RST_STREAM;
         case 4:
           return SETTINGS;
         case 5:
           return PUSH_PROMISE;
         case 6:
           return PING;
         case 7:
           return GOAWAY;
@@ skipping 39 matching lines @@
           LOG(DFATAL) << "Serializing unhandled frame type " << frame_type;
           return -1;
       }
     case SPDY4:
     case SPDY5:
       switch (frame_type) {
         case DATA:
           return 0;
         case HEADERS:
           return 1;
-        // TODO(hkhalil): Add PRIORITY.
+        case PRIORITY:
+          return 2;
         case RST_STREAM:
           return 3;
         case SETTINGS:
           return 4;
         case PUSH_PROMISE:
           return 5;
         case PING:
           return 6;
         case GOAWAY:
           return 7;
@@ skipping 621 matching lines @@
 }
 
 SpdyAltSvcIR::SpdyAltSvcIR(SpdyStreamId stream_id)
     : SpdyFrameWithStreamIdIR(stream_id) {}
 
 void SpdyAltSvcIR::Visit(SpdyFrameVisitor* visitor) const {
   return visitor->VisitAltSvc(*this);
 }
 
 }  // namespace net