kUnknownIncrementDegrees  438 chrome/browser/ui/gtk/download/download_item_gtk.cc       (progress_angle_ + DownloadShelf::kUnknownIncrementDegrees) %
kUnknownIncrementDegrees  229 chrome/browser/ui/views/download/download_item_view.cc       (progress_angle_ + DownloadShelf::kUnknownIncrementDegrees) %