Remove SPDY priority #defines from spdy_protocol.h since they differ between SPDY 2 and SPDY 3.

net/spdy/spdy_protocol.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.
 
 // This file contains some protocol structures for use with Spdy.
 
 #ifndef NET_SPDY_SPDY_PROTOCOL_H_
 #define NET_SPDY_SPDY_PROTOCOL_H_
 #pragma once
 
@@ skipping 393 matching lines @@
   SETTINGS_MAX_CONCURRENT_STREAMS = 0x4,
   // TCP congestion window in packets.
   SETTINGS_CURRENT_CWND = 0x5,
   // Downstream byte retransmission rate in percentage.
   SETTINGS_DOWNLOAD_RETRANS_RATE = 0x6,
   // Initial window size in bytes
   SETTINGS_INITIAL_WINDOW_SIZE = 0x7
 };
 
 // Status codes, as used in control frames (primarily RST_STREAM).
+// TODO(hkhalil): Rename to SpdyRstStreamStatus
 enum SpdyStatusCodes {
   INVALID = 0,
   PROTOCOL_ERROR = 1,
   INVALID_STREAM = 2,
   REFUSED_STREAM = 3,
   UNSUPPORTED_VERSION = 4,
   CANCEL = 5,
   INTERNAL_ERROR = 6,
   FLOW_CONTROL_ERROR = 7,
   STREAM_IN_USE = 8,
@@ skipping 12 matching lines @@
 };
 
 // A SPDY stream id is a 31 bit entity.
 typedef uint32 SpdyStreamId;
 
 // A SPDY priority is a number between 0 and 7 (inclusive).
 // SPDY priority range is version-dependant. For SPDY 2 and below, priority is a
 // number between 0 and 3.
 typedef uint8 SpdyPriority;
 
-// SPDY Priorities. (there are only 2 bits)
-#define SPDY_PRIORITY_LOWEST 3
-#define SPDY_PRIORITY_HIGHEST 0
-
 // -------------------------------------------------------------------------
 // These structures mirror the protocol structure definitions.
 
 // For the control data structures, we pack so that sizes match the
 // protocol over-the-wire sizes.
 #pragma pack(push)
 #pragma pack(1)
 
 // A special structure for the 8 bit flags and 24 bit length fields.
 union FlagsAndLength {
@@ skipping 590 matching lines @@
   struct SpdyWindowUpdateControlFrameBlock* mutable_block() {
     return static_cast<SpdyWindowUpdateControlFrameBlock*>(frame_);
   }
 
   DISALLOW_COPY_AND_ASSIGN(SpdyWindowUpdateControlFrame);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_PROTOCOL_H_