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

net/spdy/buffered_spdy_framer.cc

 // 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.
 
 #include "net/spdy/buffered_spdy_framer.h"
 
 #include "base/logging.h"
 
 namespace net {
 
@@ skipping 318 matching lines @@
     settings_ir.AddSetting(
         it->first,
         (it->second.first & SETTINGS_FLAG_PLEASE_PERSIST) != 0,
         (it->second.first & SETTINGS_FLAG_PERSISTED) != 0,
         it->second.second);
   }
   return spdy_framer_.SerializeSettings(settings_ir);
 }
 
 // TODO(jgraettinger): Eliminate uses of this method (prefer SpdyPingIR).
-SpdyFrame* BufferedSpdyFramer::CreatePingFrame(uint32 unique_id,
+SpdyFrame* BufferedSpdyFramer::CreatePingFrame(SpdyPingId unique_id,
                                                bool is_ack) const {
   SpdyPingIR ping_ir(unique_id);
   ping_ir.set_is_ack(is_ack);
   return spdy_framer_.SerializePing(ping_ir);
 }
 
 // TODO(jgraettinger): Eliminate uses of this method (prefer SpdyGoAwayIR).
 SpdyFrame* BufferedSpdyFramer::CreateGoAway(
     SpdyStreamId last_accepted_stream_id,
     SpdyGoAwayStatus status) const {
@@ skipping 53 matching lines @@
 
 void BufferedSpdyFramer::InitHeaderStreaming(SpdyStreamId stream_id) {
   memset(header_buffer_, 0, kHeaderBufferSize);
   header_buffer_used_ = 0;
   header_buffer_valid_ = true;
   header_stream_id_ = stream_id;
   DCHECK_NE(header_stream_id_, SpdyFramer::kInvalidStream);
 }
 
 }  // namespace net