Cleanup code in printing/

printing/metafile.cc

 // Copyright 2014 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 "printing/metafile.h"
 
 #include <vector>
 
 #include "base/files/file.h"
 #include "base/numerics/safe_conversions.h"
 
 namespace printing {
 
 MetafilePlayer::MetafilePlayer() {
 }
 
 MetafilePlayer::~MetafilePlayer() {
 }
 
 Metafile::Metafile() {
 }
 
 Metafile::~Metafile() {
 }
 
 bool Metafile::GetDataAsVector(std::vector<char>* buffer) const {
   buffer->resize(GetDataSize());
   if (buffer->empty())
     return false;
-  return GetData(&buffer->front(), base::checked_cast<uint32>(buffer->size()));
+  return GetData(&buffer->front(),
+                 base::checked_cast<uint32_t>(buffer->size()));
 }
 
 bool Metafile::SaveTo(base::File* file) const {
   if (!file->IsValid())
     return false;
 
   std::vector<char> buffer;
   if (!GetDataAsVector(&buffer))
     return false;
 
   int size = base::checked_cast<int>(buffer.size());
   if (file->WriteAtCurrentPos(&buffer[0], size) != size) {
     DLOG(ERROR) << "Failed to save file.";
     return false;
   }
   return true;
 }
 
 }  // namespace printing