Extension Settings API: move the API functions into an object SettingsNamepace,

chrome/browser/extensions/settings/settings_observer.cc

Index: chrome/browser/extensions/settings/settings_observer.cc
diff --git a/chrome/browser/extensions/settings/settings_observer.cc b/chrome/browser/extensions/settings/settings_observer.cc
deleted file mode 100644
index 2ac2a8575345ec03bd8ac889fb27f4faa481ae33..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/settings/settings_observer.cc
+++ /dev/null
@@ -1,11 +0,0 @@
-// 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/settings/settings_observer.h"
-
-namespace extensions {
-
-SettingsObserver::~SettingsObserver() {}
-
-}  // namespace extensions