Update from chromium https://crrev.com/301315

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 2 and 3
 // The SPDY 2 spec can be found at:
 // http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft2
 // The SPDY 3 spec can be found at:
 // http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3
 
@@ skipping 34 matching lines @@
 // Specifies the stream ID used to denote the current session (for
 // flow control).
 const SpdyStreamId kSessionFlowControlStreamId = 0;
 
 // Initial window size for a Spdy stream in bytes.
 const int32 kSpdyStreamInitialWindowSize = 64 * 1024;  // 64 KBytes
 
 // The maxmium possible control frame size allowed by the spec.
 const int32 kSpdyMaxControlFrameSize = (1 << 24) - 1;
 
-// The maximum control frame size we actually send/accept.
+// The maximum control frame size we accept.
 const int32 kControlFrameSizeLimit = 1 << 14;
 
 // Initial window size for a Spdy session in bytes.
 const int32 kSpdySessionInitialWindowSize = 64 * 1024;  // 64 KBytes
 
 // Maximum window size for a Spdy stream or session.
 const int32 kSpdyMaximumWindowSize = 0x7FFFFFFF;  // Max signed 32bit int
 
 // Maximum padding size in octets for one DATA or HEADERS or PUSH_PROMISE frame.
 const int32 kPaddingSizePerFrame = 256;
@@ skipping 1023 matching lines @@
   SpdyFrameVisitor() {}
   virtual ~SpdyFrameVisitor() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SpdyFrameVisitor);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_PROTOCOL_H_