Move elementAccess() from namer to emitter.

pkg/compiler/lib/src/js_backend/constant_emitter.dart

Index: pkg/compiler/lib/src/js_backend/constant_emitter.dart
diff --git a/pkg/compiler/lib/src/js_backend/constant_emitter.dart b/pkg/compiler/lib/src/js_backend/constant_emitter.dart
index 4afb1359c30aa5bee56330b128b0f6a39ddf3052..8d6c122120b6ba7ff2ec9fe83be77e0f3459bd84 100644
--- a/pkg/compiler/lib/src/js_backend/constant_emitter.dart
+++ b/pkg/compiler/lib/src/js_backend/constant_emitter.dart
@@ -240,7 +240,7 @@ class ConstantLiteralEmitter implements ConstantValueVisitor<jsAst.Expression> {
   }
 
   jsAst.Expression getJsConstructor(ClassElement element) {
-    return namer.elementAccess(element);
+    return backend.emitter.classAccess(element);
   }
 
   jsAst.Expression visitMap(JavaScriptMapConstant constant) {
@@ -322,7 +322,7 @@ class ConstantLiteralEmitter implements ConstantValueVisitor<jsAst.Expression> {
   JavaScriptBackend get backend => compiler.backend;
 
   jsAst.PropertyAccess getHelperProperty(Element helper) {
-    return backend.namer.elementAccess(helper);
+    return backend.emitter.staticFunctionAccess(helper);
   }
 
   jsAst.Expression visitType(TypeConstantValue constant) {