[ESLint] Fix violations when enabling curly rule in eslint.

tracing/tracing/extras/tquery/filter.html

Index: tracing/tracing/extras/tquery/filter.html
diff --git a/tracing/tracing/extras/tquery/filter.html b/tracing/tracing/extras/tquery/filter.html
index 1b3cf6a1be1c0cc67be24167bd2156ce24d38035..f005a2eaa608f5d2b77bb2d7009e99a64b3556f2 100644
--- a/tracing/tracing/extras/tquery/filter.html
+++ b/tracing/tracing/extras/tquery/filter.html
@@ -35,10 +35,11 @@ tr.exportTo('tr.e.tquery', function() {
     },
 
     matchValue_: function(value, expected) {
-      if (expected instanceof RegExp)
+      if (expected instanceof RegExp) {
         return expected.test(value);
-      else if (expected instanceof Function)
+      } else if (expected instanceof Function) {
         return expected(value);
+      }
       return value === expected;
     }
   };