Wire up the deleteFileSystem operation.

webkit/fileapi/isolated_mount_point_provider.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/isolated_mount_point_provider.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 101 matching lines @@
     int64 offset,
     FileSystemContext* context) const {
   return new LocalFileStreamWriter(url.path(), offset);
 }
 
 FileSystemQuotaUtil* IsolatedMountPointProvider::GetQuotaUtil() {
   // No quota support.
   return NULL;
 }
 
+void IsolatedMountPointProvider::DeleteFileSystem(
+    const GURL& origin_url,
+    FileSystemType type,
+    FileSystemContext* context,
+    const DeleteFileSystemCallback& callback) const {
+  NOTREACHED();
+  callback.Run(base::PLATFORM_FILE_ERROR_INVALID_OPERATION);
+}
+
 }  // namespace fileapi