This change adds a kMaxStreamId constant.

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 3 and HTTP 2
 // The SPDY 3 spec can be found at:
 // http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3
 
 #ifndef NET_SPDY_SPDY_PROTOCOL_H_
 #define NET_SPDY_SPDY_PROTOCOL_H_
@@ skipping 20 matching lines @@
 
 namespace net {
 
 // A stream id is a 31 bit entity.
 typedef uint32_t SpdyStreamId;
 
 // Specifies the stream ID used to denote the current session (for
 // flow control).
 const SpdyStreamId kSessionFlowControlStreamId = 0;
 
+// Max stream id.
+const SpdyStreamId kMaxStreamId = 0x7fffffff;
+
 // The maximum possible frame payload size allowed by the spec.
 const uint32_t kSpdyMaxFrameSizeLimit = (1 << 24) - 1;
 
 // The initial value for the maximum frame payload size as per the spec. This is
 // the maximum control frame size we accept.
 const uint32_t kSpdyInitialFrameSizeLimit = 1 << 14;
 
 // The initial value for the maximum size of the header list, "unlimited" (max
 // unsigned 32-bit int) as per the spec.
 const uint32_t kSpdyInitialHeaderListSizeLimit = 0xFFFFFFFF;
@@ skipping 923 matching lines @@
   SpdyFrameVisitor() {}
   virtual ~SpdyFrameVisitor() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SpdyFrameVisitor);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_PROTOCOL_H_