Revert "More functionality in kernel_impact." and "Compute NativeBehavior for foreign functions."

pkg/compiler/lib/src/resolution/signatures.dart

Index: pkg/compiler/lib/src/resolution/signatures.dart
diff --git a/pkg/compiler/lib/src/resolution/signatures.dart b/pkg/compiler/lib/src/resolution/signatures.dart
index 31673c2961da2bfb134a3179fc20730b22021909..eff498821f8c98ac835175bd2945374234654c6e 100644
--- a/pkg/compiler/lib/src/resolution/signatures.dart
+++ b/pkg/compiler/lib/src/resolution/signatures.dart
@@ -370,7 +370,7 @@ class SignatureResolver extends MappingVisitor<FormalElementX> {
       returnType = element.enclosingClass.thisType;
       // Because there is no type annotation for the return type of
       // this element, we explicitly add one.
-      registry.registerCheckedModeCheck(returnType);
+      registry.registerTypeUse(new TypeUse.checkedModeCheck(returnType));
     } else {
       AsyncMarker asyncMarker = AsyncMarker.SYNC;
       if (isFunctionExpression) {