Remove for-in selectors from TreeElements.

pkg/compiler/lib/src/resolution/registry.dart

Index: pkg/compiler/lib/src/resolution/registry.dart
diff --git a/pkg/compiler/lib/src/resolution/registry.dart b/pkg/compiler/lib/src/resolution/registry.dart
index 840449451e422666c8ad2d7f6f2292363870f5bf..481cb5ae0b046146136c97c4d35f6bffb7ca97a7 100644
--- a/pkg/compiler/lib/src/resolution/registry.dart
+++ b/pkg/compiler/lib/src/resolution/registry.dart
@@ -182,8 +182,6 @@ class ResolutionRegistry extends Registry {
     mapping.setSelector(node, selector);
   }
 
-  Selector getSelector(Node node) => mapping.getSelector(node);
-
   void setGetterSelectorInComplexSendSet(SendSet node, Selector selector) {
     mapping.setGetterSelectorInComplexSendSet(node, selector);
   }
@@ -192,18 +190,6 @@ class ResolutionRegistry extends Registry {
     mapping.setOperatorSelectorInComplexSendSet(node, selector);
   }
 
-  void setIteratorSelector(ForIn node, Selector selector) {
-    mapping.setIteratorSelector(node, selector);
-  }
-
-  void setMoveNextSelector(ForIn node, Selector selector) {
-    mapping.setMoveNextSelector(node, selector);
-  }
-
-  void setCurrentSelector(ForIn node, Selector selector) {
-    mapping.setCurrentSelector(node, selector);
-  }
-
   //////////////////////////////////////////////////////////////////////////////
   //  Node-to-Type mapping functionality.
   //////////////////////////////////////////////////////////////////////////////