Serialize NativeBehavior for elements

pkg/compiler/lib/src/typechecker.dart

Index: pkg/compiler/lib/src/typechecker.dart
diff --git a/pkg/compiler/lib/src/typechecker.dart b/pkg/compiler/lib/src/typechecker.dart
index 56f1326d024033541f79770a82fb54e818f76f2a..69137ab1fe80fdf67cc45060b05385a93e3a9f9c 100644
--- a/pkg/compiler/lib/src/typechecker.dart
+++ b/pkg/compiler/lib/src/typechecker.dart
@@ -771,7 +771,8 @@ class TypeCheckerVisitor extends Visitor<DartType> {
       return access;
     }
     if (receiverElement != null &&
-        (receiverElement.isVariable || receiverElement.isParameter ||
+        (receiverElement.isVariable ||
+            receiverElement.isParameter ||
             (receiverElement.isInitializingFormal &&
                 compiler.options.enableInitializingFormalAccess))) {
       Link<TypePromotion> typePromotions = typePromotionsMap[receiverElement];
@@ -1089,7 +1090,8 @@ class TypeCheckerVisitor extends Visitor<DartType> {
   }
 
   ElementAccess createPromotedAccess(Element element) {
-    if (element.isVariable || element.isParameter ||
+    if (element.isVariable ||
+        element.isParameter ||
         (element.isInitializingFormal &&
             compiler.options.enableInitializingFormalAccess)) {
       TypePromotion typePromotion = getKnownTypePromotion(element);