Return short-hand object literals to exportTo.

tracing/tracing/base/color_scheme.html

Index: tracing/tracing/base/color_scheme.html
diff --git a/tracing/tracing/base/color_scheme.html b/tracing/tracing/base/color_scheme.html
index 00e47397a33042cbcfd220816fbb4b905c7d95da..13c378099a59e13da8eb714a7b226ce143d7a029 100644
--- a/tracing/tracing/base/color_scheme.html
+++ b/tracing/tracing/base/color_scheme.html
@@ -134,7 +134,7 @@ tr.exportTo('tr.b', function() {
   ColorScheme.colors = [];
   ColorScheme.properties = {};
   ColorScheme.properties = {
-    numColorsPerVariant: numColorsPerVariant
+    numColorsPerVariant,
   };
 
   function pushVariant(func) {
@@ -241,7 +241,7 @@ tr.exportTo('tr.b', function() {
   };
 
   return {
-    ColorScheme: ColorScheme
+    ColorScheme,
   };
 });
 </script>