Improve NSM handling.

pkg/kernel/lib/target/flutter.dart

Index: pkg/kernel/lib/target/flutter.dart
diff --git a/pkg/kernel/lib/target/flutter.dart b/pkg/kernel/lib/target/flutter.dart
index 5044691475a2363bac593028ff4b472f6b991e63..a0038a06b4554d0f351224f04b17c9f5aaf9c846 100644
--- a/pkg/kernel/lib/target/flutter.dart
+++ b/pkg/kernel/lib/target/flutter.dart
@@ -73,9 +73,26 @@ class FlutterTarget extends Target {
   }
 
   @override
-  Expression instantiateInvocation(Member target, Expression receiver,
+  Expression instantiateInvocation(CoreTypes coreTypes, Expression receiver,
       String name, Arguments arguments, int offset, bool isSuper) {
     // TODO(ahe): This should probably return the same as VmTarget does.
     return new InvalidExpression();
   }
+
+  @override
+  Expression instantiateNoSuchMethodError(CoreTypes coreTypes,
+      Expression receiver, String name, Arguments arguments, int offset,
+      {bool isMethod: false,
+      bool isGetter: false,
+      bool isSetter: false,
+      bool isField: false,
+      bool isLocalVariable: false,
+      bool isDynamic: false,
+      bool isSuper: false,
+      bool isStatic: false,
+      bool isConstructor: false,
+      bool isTopLevel: false}) {
+    // TODO(ahe): This should probably return the same as VmTarget does.
+    return new InvalidExpression();
+  }
 }