mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

components/profile_service/profile_service_impl.cc

 // Copyright 2016 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 "components/profile_service/profile_service_impl.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "components/filesystem/directory_impl.h"
@@ skipping 11 matching lines @@
       lock_table_(lock_table),
       path_(base_profile_dir) {
   if (!base::PathExists(path_))
     base::CreateDirectory(path_);
 }
 
 ProfileServiceImpl::~ProfileServiceImpl() {
 }
 
 void ProfileServiceImpl::GetDirectory(
-    mojo::InterfaceRequest<filesystem::Directory> request) {
+    mojo::InterfaceRequest<filesystem::Directory> request,
+    const GetDirectoryCallback& callback) {
+  LOG(ERROR) << "Getting directory...";
   new filesystem::DirectoryImpl(std::move(request),
                                 path_,
                                 scoped_ptr<base::ScopedTempDir>(),
                                 lock_table_);
+  callback.Run(filesystem::FileError::OK);
 }
 
 }  // namespace profile