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 64326790a2e3372f80c71d4d14650731a88be64d..7e6eed91d14862605ba089ffc3706fe0d68bea75 100644
--- a/dart/sdk/lib/_internal/compiler/implementation/elements/elements.dart
+++ b/dart/sdk/lib/_internal/compiler/implementation/elements/elements.dart
@@ -504,6 +504,8 @@ 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 {
@@ -572,8 +574,6 @@ 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();
 }
@@ -787,7 +787,6 @@ abstract class ClassElement extends TypeDeclarationElement
                             {includeBackendMembers: false,
                              includeSuperMembers: false});
 
-  void forEachLocalMember(void f(Element member));
   void forEachBackendMember(void f(Element member));
 }