Land Recent QUIC changes.

net/quic/quic_data_writer.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_QUIC_QUIC_DATA_WRITER_H_
 #define NET_QUIC_QUIC_DATA_WRITER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 25 matching lines @@
   char* take();
 
   // Methods for adding to the payload.  These values are appended to the end
   // of the QuicDataWriter payload. Note - binary integers are written in
   // host byte order (little endian) not network byte order (big endian).
   bool WriteUInt8(uint8 value);
   bool WriteUInt16(uint16 value);
   bool WriteUInt32(uint32 value);
   bool WriteUInt48(uint64 value);
   bool WriteUInt64(uint64 value);
+  // Write unsigned floating point corresponding to the value. Large values are
+  // clamped to the maximum representable (kUFloat16MaxValue). Values that can
+  // not be represented directly are rounded down.
+  bool WriteUFloat16(uint64 value);
   bool WriteStringPiece16(base::StringPiece val);
   bool WriteBytes(const void* data, size_t data_len);
   bool WriteRepeatedByte(uint8 byte, size_t count);
   // Fills the remaining buffer with null characters.
   void WritePadding();
 
   // Methods for editing the payload at a specific offset, where the
   // offset must be within the writer's capacity.
   // Return true if there is enough space at that offset, false otherwise.
   bool WriteUInt8ToOffset(uint8 value, size_t offset);
@@ skipping 11 matching lines @@
   char* BeginWrite(size_t length);
 
   char* buffer_;
   size_t capacity_;  // Allocation size of payload (or -1 if buffer is const).
   size_t length_;    // Current length of the buffer.
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_DATA_WRITER_H_