net: FileStream::Read/Write() to take IOBuffer* instead of char*

webkit/fileapi/file_system_url_request_job.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 "webkit/fileapi/file_system_url_request_job.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/file_util_proxy.h"
@@ skipping 91 matching lines @@
     return false;
 
   if (remaining_bytes_ < dest_size)
     dest_size = static_cast<int>(remaining_bytes_);
 
   if (!dest_size) {
     *bytes_read = 0;
     return true;
   }
 
-  int rv = stream_->Read(dest->data(), dest_size,
+  int rv = stream_->Read(dest, dest_size,
                          base::Bind(&FileSystemURLRequestJob::DidRead,
                                     base::Unretained(this)));
   if (rv >= 0) {
     // Data is immediately available.
     *bytes_read = rv;
     remaining_bytes_ -= rv;
     DCHECK_GE(remaining_bytes_, 0);
     return true;
   }
 
@@ skipping 156 matching lines @@
   }
 
   return false;
 }
 
 void FileSystemURLRequestJob::NotifyFailed(int rv) {
   NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, rv));
 }
 
 }  // namespace fileapi