Checkpoint for more inheritance error codes 'Missing inherited member' warnings.

editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/resolver/InheritanceManager.java

Index: editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/resolver/InheritanceManager.java
diff --git a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/resolver/InheritanceManager.java b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/resolver/InheritanceManager.java
index 3bb68ae9e68de52fa627446c1dda9b9d2db8ac34..6d6048112c4cc389fc76c54a536edabf67e41f0b 100644
--- a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/resolver/InheritanceManager.java
+++ b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/resolver/InheritanceManager.java
@@ -65,6 +65,16 @@ public class InheritanceManager {
     interfaceLookup = new HashMap<ClassElement, HashMap<String, ExecutableElement>>();
   }
 
+  public HashMap<String, ExecutableElement> getMapOfMembersInheritedFromClasses(
+      ClassElement classElt) {
+    return computeClassChainLookupMap(classElt, new HashSet<ClassElement>());
+  }
+
+  public HashMap<String, ExecutableElement> getMapOfMembersInheritedFromInterfaces(
+      ClassElement classElt) {
+    return computeInterfaceLookupMap(classElt, new HashSet<ClassElement>());
+  }
+
   /**
    * Given some {@link ClassElement class element} and some member name, this returns the
    * {@link ExecutableElement executable element} that the class inherits from the mixins,