initialize Ole so that RegisterDragDrop doesn't fail on Windows

Fixes all AutofillDialogControllerTest which were failing on Windows.

R=xhwang@chromium.org,jam@chromium.org
BUG=227221

Review URL: https://codereview.chromium.org/13533026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@192643 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/autofill/autofill_dialog_controller_unittest.cc

@@ -25,6 +25,10 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(OS_WIN)
+#include "ui/base/win/scoped_ole_initializer.h"
+#endif
+
 using testing::_;
 
 namespace autofill {
@@ -257,6 +261,11 @@ class AutofillDialogControllerTest : public testing::Test {
   void FinishedCallback(const FormStructure* form_structure,
                         const std::string& google_transaction_id) {}
 
+#if defined(OS_WIN)
+   // http://crbug.com/227221
+   ui::ScopedOleInitializer ole_initializer_;
+#endif
+
   // A bunch of threads are necessary for classes like TestWebContents and
   // URLRequestContextGetter not to fall over.
   MessageLoopForUI loop_;