Remove non USE_AURA code from views files.

ui/base/dragdrop/drag_utils_win.cc

Index: ui/base/dragdrop/drag_utils_win.cc
diff --git a/ui/base/dragdrop/drag_utils_win.cc b/ui/base/dragdrop/drag_utils_win.cc
index 0bed7ea099c0735276a56169cc7d0a4eff0c1834..ebb4c7e8740b8a4978248a99c8a95d4c10ffc139 100644
--- a/ui/base/dragdrop/drag_utils_win.cc
+++ b/ui/base/dragdrop/drag_utils_win.cc
@@ -72,13 +72,11 @@ void SetDragImageOnDataObject(const gfx::ImageSkia& image_skia,
         ui::OSExchangeDataProviderWin::GetIDataObject(*data_object));
   }
 
-#if defined(USE_AURA)
   // TODO: the above code is used in non-Ash, while below is used in Ash. If we
   // could figure this context out then we wouldn't do unnecessary work. However
   // as it stands getting this information in ui/base would be a layering
   // violation.
   data_object->provider().SetDragImage(image_skia, cursor_offset);
-#endif
 }
 
 }  // namespace drag_utils