JS: Format if statements with no else on a single line

test/codegen/expect/methods.js

Index: test/codegen/expect/methods.js
diff --git a/test/codegen/expect/methods.js b/test/codegen/expect/methods.js
index 660be8b4998fcb40ad6fec2cc4adc519d089ff38..a5d12d1dddb0ead53f2b5f45a94716275ab82d9c 100644
--- a/test/codegen/expect/methods.js
+++ b/test/codegen/expect/methods.js
@@ -17,13 +17,11 @@ dart_library.library('methods', null, /* Imports */[
       return a;
     }
     z(b) {
-      if (b === void 0)
-        b = null;
+      if (b === void 0) b = null;
       return dart.asInt(b);
     }
     zz(b) {
-      if (b === void 0)
-        b = 0;
+      if (b === void 0) b = 0;
       return b;
     }
     w(a, opts) {