Convert base::file_util to use File instead of PlatformFile.

net/base/upload_file_element_reader.cc

 // 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.
 
 #include "net/base/upload_file_element_reader.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/location.h"
 #include "base/task_runner_util.h"
@@ skipping 43 matching lines @@
   if (range_offset < static_cast<uint64>(length)) {
     // Compensate for the offset.
     length = std::min(length - range_offset, range_length);
   }
 
   // If the underlying file has been changed and the expected file modification
   // time is set, treat it as error. Note that the expected modification time
   // from WebKit is based on time_t precision. So we have to convert both to
   // time_t to compare. This check is used for sliced files.
   if (!expected_modification_time.is_null()) {
-    base::PlatformFileInfo info;
+    base::File::Info info;
     if (!base::GetFileInfo(path, &info)) {
       DLOG(WARNING) << "Failed to get file info of \"" << path.value() << "\"";
       return ERR_FILE_NOT_FOUND;
     }
 
     if (expected_modification_time.ToTimeT() != info.last_modified.ToTimeT()) {
       return ERR_UPLOAD_FILE_CHANGED;
     }
   }
 
@@ skipping 214 matching lines @@
   const int result = ReadInternal(buf, buf_length, BytesRemaining(),
                                   file_stream_.get());
   if (result > 0) {
     DCHECK_GE(bytes_remaining_, static_cast<uint64>(result));
     bytes_remaining_ -= result;
   }
   return result;
 }
 
 }  // namespace net