Move scoped_ole_initializer.h to ui/base/win and clean up ole initialization/uninitialization.

ui/views/examples/examples_main.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 "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/i18n/icu_util.h"
 #include "base/logging.h"
 #include "base/process_util.h"
 #include "base/stl_util.h"
 #include "base/utf_string_conversions.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 #include "ui/views/examples/examples_window.h"
 #include "ui/views/focus/accelerator_handler.h"
 #include "ui/views/test/test_views_delegate.h"
 #include "ui/views/widget/widget.h"
 
+#if defined(OS_WIN)
+#include "ui/base/win/scoped_ole_initializer.h"
+#endif
+
 int main(int argc, char** argv) {
 #if defined(OS_WIN)
-  OleInitialize(NULL);
+  ui::ScopedOleInitializer ole_initializer;
 #elif defined(OS_LINUX)
   // Initializes gtk stuff.
   g_type_init();
   gtk_init(&argc, &argv);
 #endif
   CommandLine::Init(argc, argv);
 
   logging::InitLogging(NULL,
                        logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG,
                        logging::LOCK_LOG_FILE,
@@ skipping 12 matching lines @@
 
   MessageLoop main_message_loop(MessageLoop::TYPE_UI);
 
   views::TestViewsDelegate delegate;
 
   views::examples::ShowExamplesWindow(true);
 
   views::AcceleratorHandler accelerator_handler;
   MessageLoopForUI::current()->RunWithDispatcher(&accelerator_handler);
 
-#if defined(OS_WIN)
-  OleUninitialize();
-#endif
   return 0;
 }