Split recursive Copy/Move into async tasks and support cross operation (in local case)

webkit/fileapi/obfuscated_file_util.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/obfuscated_file_util.h"
 
 #include <queue>
 #include <string>
 #include <vector>
 
@@ skipping 859 matching lines @@
     FileSystemOperationContext* context,
     const FileSystemURL& url,
     base::PlatformFileInfo* file_info,
     FilePath* platform_path,
     SnapshotFilePolicy* policy) {
   DCHECK(policy);
   // We're just returning the local file information.
   *policy = kSnapshotFileLocal;
   base::PlatformFileError error = GetFileInfo(
       context, url, file_info, platform_path);
-  if (error == base::PLATFORM_FILE_OK && file_info->is_directory)
+  if (error == base::PLATFORM_FILE_OK && file_info->is_directory) {
+    *file_info = base::PlatformFileInfo();
     return base::PLATFORM_FILE_ERROR_NOT_A_FILE;
+  }
   return error;
 }
 
 bool ObfuscatedFileUtil::IsDirectoryEmpty(
     FileSystemOperationContext* context,
     const FileSystemURL& url) {
   FileSystemDirectoryDatabase* db = GetDirectoryDatabase(
       url.origin(), url.type(), false);
   if (!db)
     return true;  // Not a great answer, but it's what others do.
@@ skipping 434 matching lines @@
   error = NativeFileUtil::CreateDirectory(
       new_local_path, false /* exclusive */, false /* recursive */);
   if (error != base::PLATFORM_FILE_OK)
     return error;
 
   *local_path = new_local_path.AppendASCII(StringPrintf("%08" PRId64, number));
   return base::PLATFORM_FILE_OK;
 }
 
 }  // namespace fileapi