Bug 1235212 - [css-grid] Use Unicode ellipsis in error messages. r=francesco.lodolo@gmail.com

dom/locales/en-US/chrome/layout/css.properties

@@ -172,6 +172,6 @@ PEExpectedVariableName=Expected identifier for variable name but found '%1$S'.
 PEExpectedVariableFallback=Expected variable reference fallback after ','.
 PEExpectedVariableCommaOrCloseParen=Expected ',' or ')' after variable name in variable reference but found '%1$S'.
 PESubgridNotSupported=Support for the 'subgrid' keyword of CSS Grid is not enabled.
-PEMoreThanOneGridRepeatAutoFillInNameList=Only one repeat(auto-fill, ...) is allowed in a name list for a subgrid.
-PEMoreThanOneGridRepeatAutoFillFitInTrackList=Only one repeat(auto-fill, ...) or repeat(auto-fit, ...) is allowed in a track list.
-PEMoreThanOneGridRepeatTrackSize=Only one track size is allowed inside repeat(auto-fit/auto-fill, ...).
+PEMoreThanOneGridRepeatAutoFillInNameList=Only one repeat(auto-fill, …) is allowed in a name list for a subgrid.
+PEMoreThanOneGridRepeatAutoFillFitInTrackList=Only one repeat(auto-fill, …) or repeat(auto-fit, …) is allowed in a track list.
+PEMoreThanOneGridRepeatTrackSize=Only one track size is allowed inside repeat(auto-fit/auto-fill, …).