Removing defunct code around PureViews.

ui/views/controls/textfield/native_textfield_win.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/views/controls/textfield/native_textfield_win.h"
 
 #include <algorithm>
 
 #include "base/i18n/case_conversion.h"
 #include "base/i18n/rtl.h"
@@ skipping 1146 matching lines @@
                                               IDS_APP_SELECT_ALL);
   context_menu_.reset(new Menu2(context_menu_contents_.get()));
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTextfieldWrapper, public:
 
 // static
 NativeTextfieldWrapper* NativeTextfieldWrapper::CreateWrapper(
     Textfield* field) {
-  if (views::Widget::IsPureViews())
-    return new NativeTextfieldViews(field);
+#if defined(USE_AURA)
+  return new NativeTextfieldViews(field);
+#else
   return new NativeTextfieldWin(field);
+#endif
 }
 
 }  // namespace views