Add HTTP/2 error code NO_ERROR.

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 340 matching lines @@
   // Whether or not server push (PUSH_PROMISE) is enabled.
   SETTINGS_ENABLE_PUSH = 0x9,
   // The size of the largest frame payload that a receiver is willing to accept.
   SETTINGS_MAX_FRAME_SIZE = 0xa,
   // The maximum size of header list that the sender is prepared to accept.
   SETTINGS_MAX_HEADER_LIST_SIZE = 0xb,
 };
 
 // Status codes for RST_STREAM frames.
 enum SpdyRstStreamStatus {
-  RST_STREAM_INVALID = 0,
+  RST_STREAM_NO_ERROR = 0,
   RST_STREAM_PROTOCOL_ERROR = 1,
   RST_STREAM_INVALID_STREAM = 2,
   RST_STREAM_STREAM_CLOSED = 2,  // Equivalent to INVALID_STREAM
   RST_STREAM_REFUSED_STREAM = 3,
   RST_STREAM_UNSUPPORTED_VERSION = 4,
   RST_STREAM_CANCEL = 5,
   RST_STREAM_INTERNAL_ERROR = 6,
   RST_STREAM_FLOW_CONTROL_ERROR = 7,
   RST_STREAM_STREAM_IN_USE = 8,
   RST_STREAM_STREAM_ALREADY_CLOSED = 9,
@@ skipping 888 matching lines @@
   SpdyFrameVisitor() {}
   virtual ~SpdyFrameVisitor() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SpdyFrameVisitor);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_PROTOCOL_H_