Create ShareableFileReference on IO thread

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 874 matching lines @@
   }
   if (!db->RemoveFileInfo(file_id))
     return base::PLATFORM_FILE_ERROR_NOT_EMPTY;
   int64 growth = -UsageForPath(file_info.name.size());
   AllocateQuota(context, growth);
   UpdateUsage(context, url.origin(), url.type(), growth);
   TouchDirectory(db, file_info.parent_id);
   return base::PLATFORM_FILE_OK;
 }
 
-scoped_refptr<webkit_blob::ShareableFileReference>
-ObfuscatedFileUtil::CreateSnapshotFile(
+base::PlatformFileError ObfuscatedFileUtil::CreateSnapshotFile(
     FileSystemOperationContext* context,
     const FileSystemURL& url,
-    base::PlatformFileError* result,
     base::PlatformFileInfo* file_info,
-    FilePath* platform_path) {
-  DCHECK(result);
-  *result = GetFileInfo(context, url, file_info, platform_path);
-  return NULL;
+    FilePath* platform_path,
+    SnapshotFilePolicy* policy) {
+  DCHECK(policy);
+  // We're just returning the local file information.
+  *policy = kSnapshotFileLocal;
+  return GetFileInfo(context, url, file_info, platform_path);
 }
 
 FilePath ObfuscatedFileUtil::GetDirectoryForOriginAndType(
     const GURL& origin,
     FileSystemType type,
     bool create,
     base::PlatformFileError* error_code) {
   FilePath origin_dir = GetDirectoryForOrigin(origin, create, error_code);
   if (origin_dir.empty())
     return FilePath();
@@ skipping 473 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