Enable sync for the settings from the Extension Settings API.

chrome/browser/extensions/extension_settings_storage_unittest.cc

 // Copyright (c) 2011 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 "chrome/browser/extensions/extension_settings_storage_unittest.h"
 
 #include "base/json/json_writer.h"
 #include "base/file_util.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_settings.h"
@@ skipping 68 matching lines @@
 void ExtensionSettingsStorageTest::SetUp() {
   ui_message_loop_.reset(new MessageLoopForUI());
   ui_thread_.reset(
       new BrowserThread(BrowserThread::UI, MessageLoop::current()));
   file_thread_.reset(
       new BrowserThread(BrowserThread::FILE, MessageLoop::current()));
 
   FilePath temp_dir;
   file_util::CreateNewTempDirectory(FilePath::StringType(), &temp_dir);
   settings_ = new ExtensionSettings(temp_dir);
-  storage_ = (GetParam())(settings_.get(), "fakeExtension");
-  DCHECK(storage_ != NULL);
+  storage_ = (GetParam())(settings_, "fakeExtension");
+  ASSERT_TRUE(storage_ != NULL);
+}
+
+void ExtensionSettingsStorageTest::TearDown() {
+  BrowserThread::DeleteSoon(BrowserThread::FILE, FROM_HERE, settings_);
+  MessageLoop::current()->RunAllPending();
 }
 
 TEST_P(ExtensionSettingsStorageTest, GetWhenEmpty) {
   ASSERT_PRED_FORMAT2(SettingsEq, empty_dict_.get(), storage_->Get(key1_));
   ASSERT_PRED_FORMAT2(SettingsEq,
       empty_dict_.get(), storage_->Get(empty_list_));
   ASSERT_PRED_FORMAT2(SettingsEq, empty_dict_.get(), storage_->Get(list123_));
   ASSERT_PRED_FORMAT2(SettingsEq, empty_dict_.get(), storage_->Get());
 }
 
@@ skipping 132 matching lines @@
 TEST_P(ExtensionSettingsStorageTest, DotsInKeyNamesWithDicts) {
   DictionaryValue outer_dict;
   DictionaryValue* inner_dict = new DictionaryValue();
   outer_dict.Set("foo", inner_dict);
   inner_dict->Set("bar", Value::CreateStringValue("baz"));
 
   ASSERT_PRED_FORMAT2(SettingsEq, &outer_dict, storage_->Set(outer_dict));
   ASSERT_PRED_FORMAT2(SettingsEq, &outer_dict, storage_->Get("foo"));
   ASSERT_PRED_FORMAT2(SettingsEq, empty_dict_.get(), storage_->Get("foo.bar"));
 }