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

net/base/upload_element_reader.h

 // 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.
 
 #ifndef NET_BASE_UPLOAD_ELEMENT_READER_H_
 #define NET_BASE_UPLOAD_ELEMENT_READER_H_
 
 #include "base/basictypes.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
@@ skipping 19 matching lines @@
   virtual const UploadFileElementReader* AsFileReader() const;
 
   // Initializes the instance synchronously when possible, otherwise does
   // initialization aynschronously, returns ERR_IO_PENDING and runs callback.
   // Calling this method again after a Init() success results in resetting the
   // state.
   virtual int Init(const CompletionCallback& callback) = 0;
 
   // Returns the byte-length of the element. For files that do not exist, 0
   // is returned. This is done for consistency with Mozilla.
-  virtual uint64 GetContentLength() const = 0;
+  virtual uint64_t GetContentLength() const = 0;
 
   // Returns the number of bytes remaining to read.
-  virtual uint64 BytesRemaining() const = 0;
+  virtual uint64_t BytesRemaining() const = 0;
 
   // Returns true if the upload element is entirely in memory.
   // The default implementation returns false.
   virtual bool IsInMemory() const;
 
   // Reads up to |buf_length| bytes synchronously and returns the number of
   // bytes read or error code when possible, otherwise, returns ERR_IO_PENDING
   // and runs |callback| with the result. |buf_length| must be greater than 0.
   virtual int Read(IOBuffer* buf,
                    int buf_length,
                    const CompletionCallback& callback) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(UploadElementReader);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_UPLOAD_ELEMENT_READER_H_