Use the exact-width integer types defined in <stdint.h> rather than

net/base/chunked_upload_data_stream.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 "net/base/chunked_upload_data_stream.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 
-ChunkedUploadDataStream::ChunkedUploadDataStream(int64 identifier)
+ChunkedUploadDataStream::ChunkedUploadDataStream(int64_t identifier)
     : UploadDataStream(true, identifier),
       read_index_(0),
       read_offset_(0),
       all_data_appended_(false),
       read_buffer_len_(0) {
 }
 
 ChunkedUploadDataStream::~ChunkedUploadDataStream() {
 }
 
@@ skipping 69 matching lines @@
   // ERR_IO_PENDING. The read will be completed in the next call to AppendData.
   if (bytes_read == 0 && !all_data_appended_)
     return ERR_IO_PENDING;
 
   if (read_index_ == upload_data_.size() && all_data_appended_)
     SetIsFinalChunk();
   return bytes_read;
 }
 
 }  // namespace net