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

tracing/tracing/extras/tquery/filter_all_of.html

Index: tracing/tracing/extras/tquery/filter_all_of.html
diff --git a/tracing/tracing/extras/tquery/filter_all_of.html b/tracing/tracing/extras/tquery/filter_all_of.html
index 462b1d1c0f107b8391452dae1ec92221bf2532f8..82ff5b3e4238e28b5c2290b862daa7ba50c5e13a 100644
--- a/tracing/tracing/extras/tquery/filter_all_of.html
+++ b/tracing/tracing/extras/tquery/filter_all_of.html
@@ -33,11 +33,11 @@ tr.exportTo('tr.e.tquery', function() {
     },
 
     evaluate: function(context) {
-      if (!this.subExpressions.length)
-        return true;
+      if (!this.subExpressions.length) return true;
       for (var i = 0; i < this.subExpressions.length; i++) {
-        if (!this.subExpressions[i].evaluate(context))
+        if (!this.subExpressions[i].evaluate(context)) {
           return false;
+        }
       }
       return true;
     }