FileAPI: Split recursive remove into multiple async tasks

webkit/fileapi/file_system_file_util_proxy.cc

Index: webkit/fileapi/file_system_file_util_proxy.cc
diff --git a/webkit/fileapi/file_system_file_util_proxy.cc b/webkit/fileapi/file_system_file_util_proxy.cc
index b9ce0966d2009a1880b0f573823674700ec219e9..d7caf8e52b254b232bdcb836891f6e6ef4bf5f33 100644
--- a/webkit/fileapi/file_system_file_util_proxy.cc
+++ b/webkit/fileapi/file_system_file_util_proxy.cc
@@ -108,15 +108,28 @@ class ReadDirectoryHelper {
 }  // namespace
 
 // static
-bool FileSystemFileUtilProxy::Delete(
+bool FileSystemFileUtilProxy::DeleteFile(
+    FileSystemOperationContext* context,
+    FileSystemFileUtil* file_util,
+    const FileSystemURL& url,
+    const StatusCallback& callback) {
+  return base::PostTaskAndReplyWithResult(
+      context->task_runner(), FROM_HERE,
+      Bind(&FileSystemFileUtil::DeleteFile, Unretained(file_util),
+           context, url),
+      callback);
+}
+
+// static
+bool FileSystemFileUtilProxy::DeleteDirectory(
     FileSystemOperationContext* context,
     FileSystemFileUtil* file_util,
     const FileSystemURL& url,
-    bool recursive,
     const StatusCallback& callback) {
   return base::PostTaskAndReplyWithResult(
       context->task_runner(), FROM_HERE,
-      Bind(&FileUtilHelper::Delete, context, file_util, url, recursive),
+      Bind(&FileSystemFileUtil::DeleteDirectory, Unretained(file_util),
+           context, url),
       callback);
 }