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

net/spdy/buffered_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_BUFFERED_SPDY_FRAMER_H_
 #define NET_SPDY_BUFFERED_SPDY_FRAMER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 176 matching lines @@
                              SpdyStreamId associated_stream_id,
                              SpdyPriority priority,
                              SpdyControlFlags flags,
                              const SpdyHeaderBlock* headers);
   SpdyFrame* CreateSynReply(SpdyStreamId stream_id,
                             SpdyControlFlags flags,
                             const SpdyHeaderBlock* headers);
   SpdyFrame* CreateRstStream(SpdyStreamId stream_id,
                              SpdyRstStreamStatus status) const;
   SpdyFrame* CreateSettings(const SettingsMap& values) const;
-  SpdyFrame* CreatePingFrame(uint32 unique_id, bool is_ack) const;
+  SpdyFrame* CreatePingFrame(SpdyPingId unique_id, bool is_ack) const;
   SpdyFrame* CreateGoAway(
       SpdyStreamId last_accepted_stream_id,
       SpdyGoAwayStatus status) const;
   SpdyFrame* CreateHeaders(SpdyStreamId stream_id,
                            SpdyControlFlags flags,
                            SpdyPriority priority,
                            const SpdyHeaderBlock* headers);
   SpdyFrame* CreateWindowUpdate(
       SpdyStreamId stream_id,
       uint32 delta_window_size) const;
@@ skipping 68 matching lines @@
     bool unidirectional;
   };
   scoped_ptr<ControlFrameFields> control_frame_fields_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedSpdyFramer);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_BUFFERED_SPDY_FRAMER_H_