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

ui/views/test/views_test_base.h

Index: ui/views/test/views_test_base.h
diff --git a/ui/views/test/views_test_base.h b/ui/views/test/views_test_base.h
index 635c24c81f559efb91fcaf2ef8664a1c088a6318..71f6bbd64a9cf39a7e0335175fceaed76b0a4ff2 100644
--- a/ui/views/test/views_test_base.h
+++ b/ui/views/test/views_test_base.h
@@ -11,6 +11,10 @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/views/test/test_views_delegate.h"
 
+#if defined(OS_WIN)
+#include "ui/base/win/scoped_ole_initializer.h"
+#endif
+
 namespace aura {
 class RootWindow;
 namespace test {
@@ -61,6 +65,10 @@ class ViewsTestBase : public testing::Test {
   bool setup_called_;
   bool teardown_called_;
 
+#if defined(OS_WIN)
+  ui::ScopedOleInitializer ole_initializer_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(ViewsTestBase);
 };