Fix "value possibly truncated" warnings on MSVC, net/spdy/ edition.

net/spdy/spdy_framer.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_FRAMER_H_
 #define NET_SPDY_SPDY_FRAMER_H_
 
 #include <list>
 #include <map>
 #include <memory>
@@ skipping 635 matching lines @@
   size_t ProcessIgnoredControlFramePayload(/*const char* data,*/ size_t len);
 
   // TODO(jgraettinger): To be removed with migration to
   // SpdyHeadersHandlerInterface.
   // Serializes the last-processed header block of |hpack_decoder_| as
   // a SPDY3 format block, and delivers it to the visitor via reentrant
   // call to ProcessControlFrameHeaderBlock().
   void DeliverHpackBlockAsSpdy3Block();
 
   // Helpers for above internal breakouts from ProcessInput.
-  void ProcessControlFrameHeader(uint16 control_frame_type_field);
+  void ProcessControlFrameHeader(int control_frame_type_field);
   // Always passed exactly 1 setting's worth of data.
   bool ProcessSetting(const char* data);
 
   // Retrieve serialized length of SpdyHeaderBlock. If compression is enabled, a
   // maximum estimate is returned.
   size_t GetSerializedLength(const SpdyHeaderBlock& headers);
 
   // Get (and lazily initialize) the ZLib state.
   z_stream* GetHeaderCompressor();
   z_stream* GetHeaderDecompressor();
@@ skipping 134 matching lines @@
   // If a HEADERS frame is followed by a CONTINUATION frame, the FIN/END_STREAM
   // flag is still carried in the HEADERS frame. If it's set, flip this so that
   // we know to terminate the stream when the entire header block has been
   // processed.
   bool end_stream_when_done_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_FRAMER_H_