Bug 1382134 - Do not show section title in search result. r=jaws

MozReview-Commit-ID: L1m1sQG7Uka

--HG--
extra : rebase_source : 8d5ade838da9a536a4fdea1bcd073ef58cc710cf

browser/components/preferences/in-content-new/findInPage.js

@@ -244,8 +244,9 @@ var gSearchResultsPane = {
 
       // Showing or Hiding specific section depending on if words in query are found
       for (let i = 0; i < rootPreferencesChildren.length; i++) {
-        if (rootPreferencesChildren[i].className != "header" &&
-            rootPreferencesChildren[i].className != "no-results-message" &&
+        if (!rootPreferencesChildren[i].classList.contains("header") &&
+            !rootPreferencesChildren[i].classList.contains("subcategory") &&
+            !rootPreferencesChildren[i].classList.contains("no-results-message") &&
             this.searchWithinNode(rootPreferencesChildren[i], this.query)) {
           rootPreferencesChildren[i].hidden = false;
           resultsFound = true;