Change some snapshot- or temporary-file related changes to use ScopedFile

webkit/fileapi/local_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/local_file_util.h"
 
 #include "base/files/file_util_proxy.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_mount_point_provider.h"
@@ skipping 224 matching lines @@
 PlatformFileError LocalFileUtil::DeleteDirectory(
     FileSystemOperationContext* context,
     const FileSystemURL& url) {
   base::FilePath file_path;
   PlatformFileError error = GetLocalFilePath(context, url, &file_path);
   if (error != base::PLATFORM_FILE_OK)
     return error;
   return NativeFileUtil::DeleteDirectory(file_path);
 }
 
-base::PlatformFileError LocalFileUtil::CreateSnapshotFile(
+webkit_blob::ScopedFile LocalFileUtil::CreateSnapshotFile(
     FileSystemOperationContext* context,
     const FileSystemURL& url,
+    base::PlatformFileError* error,
     base::PlatformFileInfo* file_info,
-    base::FilePath* platform_path,
-    SnapshotFilePolicy* policy) {
-  DCHECK(policy);
+    base::FilePath* platform_path) {
   DCHECK(file_info);
   // 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)
-    return base::PLATFORM_FILE_ERROR_NOT_A_FILE;
-  return error;
+  *error = GetFileInfo(context, url, file_info, platform_path);
+  if (*error == base::PLATFORM_FILE_OK && file_info->is_directory)
+    *error = base::PLATFORM_FILE_ERROR_NOT_A_FILE;
+  return webkit_blob::ScopedFile();
 }
 
 }  // namespace fileapi