Bug 1399511 - Update message displayed when a section has no data in about:telemetry r=chutten

MozReview-Commit-ID: 2Hb4oKKlhG7

--HG--
extra : rebase_source : 7c4b93a4d49ef9b48546deb5f64a823b7860bbc1

toolkit/content/aboutTelemetry.js

@@ -1433,8 +1433,10 @@ var Search = {
       if (section.parentElement.id === "category-home") {
         searchStatus = bundle.formatStringFromName("noSearchResultsAll", [text], 1);
       } else {
-        let format = [section.textContent.trim(), text];
-        searchStatus = bundle.formatStringFromName("noSearchResults", format, 2);
+        let sectionName = section.textContent.trim();
+        searchStatus = (text === "")
+          ? bundle.formatStringFromName("noDataToDisplay", [sectionName], 1)
+          : bundle.formatStringFromName("noSearchResults", [sectionName, text], 2);
       }
       document.getElementById("no-search-results-text").textContent = searchStatus;
     }

toolkit/locales/en-US/chrome/global/aboutTelemetry.properties

@@ -47,7 +47,9 @@ resultsForSearch = Results for “%1$S”
 noSearchResults = Sorry! There are no results in %1$S for “%2$S”
 # LOCALIZATION NOTE(noSearchResultsAll): %S is replaced by the searched terms
 noSearchResultsAll = Sorry! There are no results in any sections for “%S”
-
+# LOCALIZATION NOTE(noDataToDisplay): %S is replaced by the section name.
+# This message is displayed when a section is empty.
+noDataToDisplay = Sorry! There is currently no data available in “%S”
 # LOCALIZATION NOTE(currentPingSidebar): used as a tooltip for the “current”
 # ping title in the sidebar
 currentPingSidebar = current ping