Move some file api files to fileapi folder

storage/browser/fileapi/sandbox_file_stream_writer.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 "storage/browser/fileapi/sandbox_file_stream_writer.h"
 
 #include "base/files/file_util_proxy.h"
 #include "base/sequenced_task_runner.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
-#include "storage/browser/blob/file_stream_reader.h"
 #include "storage/browser/fileapi/file_observers.h"
+#include "storage/browser/fileapi/file_stream_reader.h"
 #include "storage/browser/fileapi/file_stream_writer.h"
 #include "storage/browser/fileapi/file_system_context.h"
 #include "storage/browser/fileapi/file_system_operation_runner.h"
 #include "storage/browser/quota/quota_manager_proxy.h"
 #include "storage/common/fileapi/file_system_util.h"
 
 namespace storage {
 
 namespace {
 
@@ skipping 215 matching lines @@
   DCHECK(cancel_callback_.is_null());
 
   // Write() is not called yet, so there's nothing to flush.
   if (!local_file_writer_)
     return net::OK;
 
   return local_file_writer_->Flush(callback);
 }
 
 }  // namespace storage