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

net/base/chunked_upload_data_stream.h

 // 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.
 
 #ifndef NET_BASE_CHUNKED_UPLOAD_DATA_STREAM_H_
 #define NET_BASE_CHUNKED_UPLOAD_DATA_STREAM_H_
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
 #include "net/base/upload_data_stream.h"
 
 namespace net {
 
 class IOBuffer;
 
 // Class with a push-based interface for uploading data. Buffers all data until
 // the request is completed. Not recommended for uploading large amounts of
 // seekable data, due to this buffering behavior.
 class NET_EXPORT ChunkedUploadDataStream : public UploadDataStream {
  public:
-  explicit ChunkedUploadDataStream(int64 identifier);
+  explicit ChunkedUploadDataStream(int64_t identifier);
 
   ~ChunkedUploadDataStream() override;
 
   // Adds data to the stream. |is_done| should be true if this is the last
   // data to be appended. |data_len| must not be 0 unless |is_done| is true.
   // Once called with |is_done| being true, must never be called again.
   // TODO(mmenke):  Consider using IOBuffers instead, to reduce data copies.
   void AppendData(const char* data, int data_len, bool is_done);
 
  private:
@@ skipping 17 matching lines @@
   // ReadInternal reads no data.
   scoped_refptr<IOBuffer> read_buffer_;
   int read_buffer_len_;
 
   DISALLOW_COPY_AND_ASSIGN(ChunkedUploadDataStream);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_CHUNKED_UPLOAD_DATA_STREAM_H_