Record dependency information to implement first version of dependency

dart/sdk/lib/_internal/compiler/implementation/elements/elements.dart

Index: dart/sdk/lib/_internal/compiler/implementation/elements/elements.dart
diff --git a/dart/sdk/lib/_internal/compiler/implementation/elements/elements.dart b/dart/sdk/lib/_internal/compiler/implementation/elements/elements.dart
index 5c48e5e9cf1627315796fb5ac1758fd8b96422c9..3768453e472fff5252f3f1a29b8767e9f3ec6113 100644
--- a/dart/sdk/lib/_internal/compiler/implementation/elements/elements.dart
+++ b/dart/sdk/lib/_internal/compiler/implementation/elements/elements.dart
@@ -521,6 +521,8 @@ abstract class AmbiguousElement extends Element {
 // just an interface shared by classes and libraries.
 abstract class ScopeContainerElement {
   Element localLookup(SourceString elementName);
+
+  void forEachLocalMember(f(Element element));
 }
 
 abstract class CompilationUnitElement extends Element {
@@ -589,8 +591,6 @@ abstract class LibraryElement extends Element implements ScopeContainerElement {
   Element findLocal(SourceString elementName);
   void forEachExport(f(Element element));
 
-  void forEachLocalMember(f(Element element));
-
   bool hasLibraryName();
   String getLibraryOrScriptName();
 }
@@ -805,7 +805,6 @@ abstract class ClassElement extends TypeDeclarationElement
                             {includeBackendMembers: false,
                              includeSuperMembers: false});
 
-  void forEachLocalMember(void f(Element member));
   void forEachBackendMember(void f(Element member));
 }