Revert 138168 - net: Fix a regression that broke file uploading with http authentication

net/base/upload_data.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_data.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/file_util.h"
@@ skipping 96 matching lines @@
   }
 
   NOTREACHED();
   return 0;
 }
 
 uint64 UploadData::Element::BytesRemaining() {
   return GetContentLength() - offset_;
 }
 
-void UploadData::Element::ResetOffset() {
-  offset_ = 0;
-
-  // Delete the file stream if already opened, so we can reread the file from
-  // the beginning.
-  if (file_stream_) {
-    // Temporarily allow until fix: http://crbug.com/72001.
-    base::ThreadRestrictions::ScopedAllowIO allow_io;
-    file_stream_->CloseSync();
-    delete file_stream_;
-    file_stream_ = NULL;
-  }
-}
-
 FileStream* UploadData::Element::OpenFileStream() {
   scoped_ptr<FileStream> file(new FileStream(NULL));
   int64 rv = file->OpenSync(
       file_path_,
       base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ);
   if (rv != OK) {
     // If the file can't be opened, we'll just upload an empty file.
     DLOG(WARNING) << "Failed to open \"" << file_path_.value()
                   << "\" for reading: " << rv;
     return NULL;
@@ skipping 158 matching lines @@
     return;
 
   for (size_t i = 0; i < elements_.size(); ++i)
     *content_length += elements_[i].GetContentLength();
 }
 
 UploadData::~UploadData() {
 }
 
 }  // namespace net