Use Entity instead of Element in ConstantValue

pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart

Index: pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart b/pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart
index 8a1bb2ac6fc86b69a5a75acbeaf2de689ba87f87..b84608b7365842e2ce2bcf8f30170cf75cd66cdd 100644
--- a/pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/startup_emitter/model_emitter.dart
@@ -34,7 +34,7 @@ import '../../common.dart';
 import '../../compiler.dart' show Compiler;
 import '../../constants/values.dart' show ConstantValue, FunctionConstantValue;
 import '../../core_types.dart' show CommonElements;
-import '../../elements/elements.dart' show ClassElement, FunctionElement;
+import '../../elements/elements.dart' show ClassElement, MethodElement;
 import '../../hash/sha1.dart' show Hasher;
 import '../../io/code_output.dart';
 import '../../io/line_column_provider.dart'
@@ -128,7 +128,7 @@ class ModelEmitter {
     return deepCompareConstants(a, b);
   }
 
-  js.Expression generateStaticClosureAccess(FunctionElement element) {
+  js.Expression generateStaticClosureAccess(MethodElement element) {
     return js.js('#.#()',
         [namer.globalObjectFor(element), namer.staticClosureName(element)]);
   }