Compute NativeBehavior for foreign functions.

pkg/compiler/lib/src/diagnostics/messages.dart

Index: pkg/compiler/lib/src/diagnostics/messages.dart
diff --git a/pkg/compiler/lib/src/diagnostics/messages.dart b/pkg/compiler/lib/src/diagnostics/messages.dart
index 05ef3e762936ab9408683a89340611c2362bf062..a5e40038e8c72379e1bf11898f6427b058c34623 100644
--- a/pkg/compiler/lib/src/diagnostics/messages.dart
+++ b/pkg/compiler/lib/src/diagnostics/messages.dart
@@ -463,6 +463,9 @@ enum MessageKind {
   VOID_EXPRESSION,
   VOID_NOT_ALLOWED,
   VOID_VARIABLE,
+  WRONG_ARGUMENT_FOR_JS,
+  WRONG_ARGUMENT_FOR_JS_FIRST,
+  WRONG_ARGUMENT_FOR_JS_SECOND,
   WRONG_ARGUMENT_FOR_JS_INTERCEPTOR_CONSTANT,
   WRONG_NUMBER_OF_ARGUMENTS_FOR_ASSERT,
   YIELDING_MODIFIER_ON_ARROW_BODY,
@@ -2695,6 +2698,18 @@ main() {}
               "Use an immediately called JavaScript function to capture the"
               " the placeholder values as JavaScript function parameters."),
 
+      MessageKind.WRONG_ARGUMENT_FOR_JS: const MessageTemplate(
+          MessageKind.WRONG_ARGUMENT_FOR_JS,
+          "JS expression must take two or more arguments."),
+
+      MessageKind.WRONG_ARGUMENT_FOR_JS_FIRST: const MessageTemplate(
+          MessageKind.WRONG_ARGUMENT_FOR_JS_FIRST,
+          "JS expression must take two or more arguments."),
+
+      MessageKind.WRONG_ARGUMENT_FOR_JS_SECOND: const MessageTemplate(
+          MessageKind.WRONG_ARGUMENT_FOR_JS_SECOND,
+          "JS second argument must be a string literal."),
+
       MessageKind.WRONG_ARGUMENT_FOR_JS_INTERCEPTOR_CONSTANT:
           const MessageTemplate(
               MessageKind.WRONG_ARGUMENT_FOR_JS_INTERCEPTOR_CONSTANT,