Don't bailout of type inference for simple NSM implementations

pkg/compiler/lib/src/js_backend/backend.dart

Index: pkg/compiler/lib/src/js_backend/backend.dart
diff --git a/pkg/compiler/lib/src/js_backend/backend.dart b/pkg/compiler/lib/src/js_backend/backend.dart
index e5285d384610dc4e54dbf1f952c28dd3dcee84f8..8986e6ba9d455d3e5f05924ad344b5bc546ad006 100644
--- a/pkg/compiler/lib/src/js_backend/backend.dart
+++ b/pkg/compiler/lib/src/js_backend/backend.dart
@@ -1275,13 +1275,8 @@ class JavaScriptBackend extends Backend {
         compiler.enabledRuntimeType;
   }
 
-  bool isDefaultNoSuchMethodImplementation(Element element) {
-    assert(element.name == Compiler.NO_SUCH_METHOD);
-    ClassElement classElement = element.enclosingClass;
-    return classElement == compiler.objectClass
-        || classElement == jsInterceptorClass
-        || classElement == jsNullClass;
-  }
+  bool isComplexNoSuchMethod(Element element) =>
+    noSuchMethodRegistry.isComplex(element);
 
   bool isDefaultEqualityImplementation(Element element) {
     assert(element.name == '==');