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pkg/compiler/lib/src/common_elements.dart

Index: pkg/compiler/lib/src/common_elements.dart
diff --git a/pkg/compiler/lib/src/common_elements.dart b/pkg/compiler/lib/src/common_elements.dart
index 0be5f204f1ea44b4a89b9a9b4d6dfd7c38bb9392..7ec4c139ae4cdba56908fbb5e2c20eaf80c24ade 100644
--- a/pkg/compiler/lib/src/common_elements.dart
+++ b/pkg/compiler/lib/src/common_elements.dart
@@ -1153,8 +1153,11 @@ class CommonElements {
 
 /// Interface for accessing libraries, classes and members.
 ///
-/// The _env makes private and injected members directly available and
-/// should therefore not be used to determine scopes.
+/// The element environment makes private and injected members directly
+/// available and should therefore not be used to determine scopes.
+///
+/// The properties exposed are Dart-centric and should therefore, long-term, not
+/// be used during codegen, expect for mirrors.
 // TODO(johnniwinther): Split this into an element environment and a type query
 // interface, the first should only be used during resolution and the latter in
 // both resolution and codegen.
@@ -1253,6 +1256,9 @@ abstract class ElementEnvironment {
   /// Returns `true` if [cls] is generic.
   bool isGenericClass(ClassEntity cls);
 
+  /// Returns `true` if [cls] is an unnamed mixin application.
+  bool isUnnamedMixinApplication(ClassEntity cls);
+
   /// The upper bound on the [typeVariable]. If not explicitly declared, this is
   /// `Object`.
   DartType getTypeVariableBound(TypeVariableEntity typeVariable);