Bug 975786 - Add FHR search source for about:newtab. r=rnewman

services/healthreport/providers.jsm

@@ -1222,6 +1222,7 @@ SearchCountMeasurementBase.prototype = Object.freeze({
   SOURCES: [
     "abouthome",
     "contextmenu",
+    "newtab",
     "searchbar",
     "urlbar",
   ],

services/healthreport/tests/xpcshell/test_provider_searches.js

@@ -57,6 +57,7 @@ add_task(function test_record() {
     }
     yield provider.recordSearch(engine, "abouthome");
     yield provider.recordSearch(engine, "contextmenu");
+    yield provider.recordSearch(engine, "newtab");
     yield provider.recordSearch(engine, "searchbar");
     yield provider.recordSearch(engine, "urlbar");
   }