Rename SloppyBlockWithEvalContextExtension to ContextExtension

src/runtime/runtime-scopes.cc

Index: src/runtime/runtime-scopes.cc
diff --git a/src/runtime/runtime-scopes.cc b/src/runtime/runtime-scopes.cc
index acdce8d1cf294af4b986d5b741cb5a4ef7f0b8d4..67837020bb50d2d08fe244b967190a6cd5890cbd 100644
--- a/src/runtime/runtime-scopes.cc
+++ b/src/runtime/runtime-scopes.cc
@@ -294,9 +294,8 @@ Object* DeclareEvalHelper(Isolate* isolate, Handle<String> name,
       DCHECK(context->IsBlockContext());
       object = isolate->factory()->NewJSObject(
           isolate->context_extension_function());
-      Handle<HeapObject> extension =
-          isolate->factory()->NewSloppyBlockWithEvalContextExtension(
-              handle(context->scope_info()), object);
+      Handle<HeapObject> extension = isolate->factory()->NewContextExtension(
+          handle(context->scope_info()), object);
       context->set_extension(*extension);
     } else {
       object = handle(context->extension_object(), isolate);