HTTP2 draft 14 support

net/spdy/spdy_frame_builder.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.
 
 #ifndef NET_SPDY_SPDY_FRAME_BUILDER_H_
 #define NET_SPDY_SPDY_FRAME_BUILDER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 77 matching lines @@
   // Methods for adding to the payload.  These values are appended to the end
   // of the SpdyFrameBuilder payload. Note - binary integers are converted from
   // host to network form.
   bool WriteUInt8(uint8 value) {
     return WriteBytes(&value, sizeof(value));
   }
   bool WriteUInt16(uint16 value) {
     value = htons(value);
     return WriteBytes(&value, sizeof(value));
   }
+  bool WriteUInt24(uint32 value) {
+    value = htonl(value);
+    return WriteBytes(reinterpret_cast<char*>(&value) + 1,
+                      sizeof(value) - 1);
+  }
   bool WriteUInt32(uint32 value) {
     value = htonl(value);
     return WriteBytes(&value, sizeof(value));
   }
   bool WriteUInt64(uint64 value) {
     uint32 upper = htonl(value >> 32);
     uint32 lower = htonl(value);
     return (WriteBytes(&upper, sizeof(upper)) &&
             WriteBytes(&lower, sizeof(lower)));
   }
@@ skipping 30 matching lines @@
   size_t capacity_;  // Allocation size of payload, set by constructor.
   size_t length_;    // Length of the latest frame in the buffer.
   size_t offset_;    // Position at which the latest frame begins.
 
   const SpdyMajorVersion version_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_FRAME_BUILDER_H_