Support removeRecursively and new copy/move behaviors for FileSystem API

chrome/browser/file_system/file_system_dispatcher_host.cc

 // Copyright (c) 2010 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 "chrome/browser/file_system/file_system_dispatcher_host.h"
 
 #include "base/file_path.h"
 #include "base/thread.h"
 #include "base/time.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 143 matching lines @@
 
 void FileSystemDispatcherHost::OnCopy(
     int request_id, const FilePath& src_path, const FilePath& dest_path) {
   if (!CheckValidFileSystemPath(src_path, request_id) ||
       !CheckValidFileSystemPath(dest_path, request_id))
     return;
 
   GetNewOperation(request_id)->Copy(src_path, dest_path);
 }
 
-void FileSystemDispatcherHost::OnRemove(int request_id, const FilePath& path) {
+void FileSystemDispatcherHost::OnRemove(
+    int request_id, const FilePath& path, bool recursive) {
   if (!CheckValidFileSystemPath(path, request_id))
     return;
-  GetNewOperation(request_id)->Remove(path);
+  GetNewOperation(request_id)->Remove(path, recursive);
 }
 
 void FileSystemDispatcherHost::OnReadMetadata(
     int request_id, const FilePath& path) {
   if (!CheckValidFileSystemPath(path, request_id))
     return;
   GetNewOperation(request_id)->GetMetadata(path);
 }
 
 void FileSystemDispatcherHost::OnCreate(
@@ skipping 96 matching lines @@
       dispatcher,
       ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE));
   operations_.AddWithID(operation, request_id);
   return operation;
 }
 
 void FileSystemDispatcherHost::RemoveCompletedOperation(int request_id) {
   DCHECK(operations_.Lookup(request_id));
   operations_.Remove(request_id);
 }