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

ui/aura/test/aura_test_helper.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 "ui/aura/test/aura_test_helper.h"
 
-#if defined(OS_WIN)
-#include <ole2.h>
-#endif
-
 #include "ui/aura/env.h"
 #include "ui/aura/root_window.h"
 #include "ui/gfx/compositor/layer_animator.h"
 
 namespace aura {
 namespace test {
 
 AuraTestHelper::AuraTestHelper()
     : setup_called_(false),
       teardown_called_(false) {
-#if defined(OS_WIN)
-  OleInitialize(NULL);
-#endif
-
   // Disable animations during tests.
   ui::LayerAnimator::set_disable_animations_for_test(true);
 }
 
 AuraTestHelper::~AuraTestHelper() {
-#if defined(OS_WIN)
-  OleUninitialize();
-#endif
   CHECK(setup_called_)
       << "You have overridden SetUp but never called super class's SetUp";
   CHECK(teardown_called_)
       << "You have overridden TearDown but never called super class's TearDown";
   aura::Env::DeleteInstance();
 }
 
 void AuraTestHelper::InitRootWindow(RootWindow* root_window) {
   root_window->Show();
   // Ensure width != height so tests won't confuse them.
@@ skipping 10 matching lines @@
 
 void AuraTestHelper::RunAllPendingInMessageLoop(RootWindow* root_window) {
 #if !defined(OS_MACOSX)
   message_loop_.RunAllPendingWithDispatcher(
       Env::GetInstance()->GetDispatcher());
 #endif
 }
 
 }  // namespace test
 }  // namespace aura