Revert "Handle most qualified sends."

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

Index: pkg/compiler/lib/src/resolution/resolution_common.dart
diff --git a/pkg/compiler/lib/src/resolution/resolution_common.dart b/pkg/compiler/lib/src/resolution/resolution_common.dart
index cb045cf1c5a87774b25b87aef6d63abf20efa3f2..5d3efcb717ec50ad0a56ccbf22a4ec89193afb79 100644
--- a/pkg/compiler/lib/src/resolution/resolution_common.dart
+++ b/pkg/compiler/lib/src/resolution/resolution_common.dart
@@ -13,13 +13,7 @@ class ResolverTask extends CompilerTask {
 
   WorldImpact resolve(Element element) {
     return measure(() {
-      if (Elements.isErroneous(element)) {
-        // TODO(johnniwinther): Add a predicate for this.
-        assert(invariant(element, element is! ErroneousElement,
-            message: "Element $element expected to have parse errors."));
-        _ensureTreeElements(element);
-        return const WorldImpact();
-      }
+      if (Elements.isErroneous(element)) return null;
 
       WorldImpact processMetadata([WorldImpact result]) {
         for (MetadataAnnotation metadata in element.metadata) {