Fixing size_t -> int truncation in //net/quic/spdy_utils.cc

net/quic/spdy_utils.cc

 // Copyright (c) 2013 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/quic/spdy_utils.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "net/spdy/spdy_frame_builder.h"
 #include "net/spdy/spdy_framer.h"
 #include "net/spdy/spdy_protocol.h"
@@ skipping 21 matching lines @@
     response_headers[":status"].erase(end_of_code);
   }
   return response_headers;
 }
 
 // static
 string SpdyUtils::SerializeUncompressedHeaders(const SpdyHeaderBlock& headers,
                                                QuicVersion quic_version) {
   SpdyMajorVersion spdy_version = GetSpdyVersionForQuicVersion(quic_version);
 
-  int length = SpdyFramer::GetSerializedLength(spdy_version, &headers);
+  size_t length = SpdyFramer::GetSerializedLength(spdy_version, &headers);
   SpdyFrameBuilder builder(length, spdy_version);
   SpdyFramer::WriteHeaderBlock(&builder, spdy_version, &headers);
   scoped_ptr<SpdyFrame> block(builder.take());
   return string(block->data(), length);
 }
 
 }  // namespace net