Split FileAPI code for common|common_child|renderer

content/common/fileapi/webfilewriter_impl.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 "content/common/fileapi/webfilewriter_impl.h"
-
-#include "base/bind.h"
-#include "content/common/child_thread.h"
-#include "content/common/fileapi/file_system_dispatcher.h"
-
-namespace content {
-
-namespace {
-
-inline FileSystemDispatcher* GetFileSystemDispatcher() {
-  return ChildThread::current()->file_system_dispatcher();
-}
-
-}  // namespace
-
-WebFileWriterImpl::WebFileWriterImpl(
-     const GURL& path, WebKit::WebFileWriterClient* client)
-  : WebFileWriterBase(path, client),
-    request_id_(0) {
-}
-
-WebFileWriterImpl::~WebFileWriterImpl() {
-}
-
-void WebFileWriterImpl::DoTruncate(const GURL& path, int64 offset) {
-  // The FileSystemDispatcher takes ownership of the CallbackDispatcher.
-  GetFileSystemDispatcher()->Truncate(
-      path, offset, &request_id_,
-      base::Bind(&WebFileWriterImpl::DidFinish, AsWeakPtr()));
-}
-
-void WebFileWriterImpl::DoWrite(
-    const GURL& path, const GURL& blob_url, int64 offset) {
-  GetFileSystemDispatcher()->Write(
-      path, blob_url, offset, &request_id_,
-      base::Bind(&WebFileWriterImpl::DidWrite, AsWeakPtr()),
-      base::Bind(&WebFileWriterImpl::DidFinish, AsWeakPtr()));
-}
-
-void WebFileWriterImpl::DoCancel() {
-  GetFileSystemDispatcher()->Cancel(
-      request_id_,
-      base::Bind(&WebFileWriterImpl::DidFinish, AsWeakPtr()));
-}
-
-}  // namespace content