Move the dart_precompiled function inside scoping function.

sdk/lib/_internal/compiler/js_lib/shared/embedded_names.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Contains the names of globals that are embedded into the output by the
 /// compiler.
 ///
 /// Variables embedded this way should be access with `JS_EMBEDDED_GLOBAL` from
 /// the `_foreign_helper` library.
 ///
@@ skipping 26 matching lines @@
 const LAZIES = 'lazies';
 const GET_ISOLATE_TAG = 'getIsolateTag';
 const ISOLATE_TAG = 'isolateTag';
 const CURRENT_SCRIPT = 'currentScript';
 const DEFERRED_LIBRARY_URIS = 'deferredLibraryUris';
 const DEFERRED_LIBRARY_HASHES = 'deferredLibraryHashes';
 const INITIALIZE_LOADED_HUNK = 'initializeLoadedHunk';
 const IS_HUNK_LOADED = 'isHunkLoaded';
 const IS_HUNK_INITIALIZED = 'isHunkInitialized';
 const DEFERRED_INITIALIZED = 'deferredInitialized';
+const PRECOMPILED = 'precompiled';
 
 /// Returns a function that creates a new Isolate (its static state).
 ///
 /// (floitsch): Note that this will probably go away, since one JS heap will
 /// only contain one Dart isolate.
 const CREATE_NEW_ISOLATE = 'createNewIsolate';
 
 const CLASS_ID_EXTRACTOR = 'classIdExtractor';
 const CLASS_FIELDS_EXTRACTOR = 'classFieldsExtractor';
 const INSTANCE_FROM_CLASS_ID = "instanceFromClassId";
@@ skipping 13 matching lines @@
   GETTER_PREFIX,
   SETTER_PREFIX,
   CALL_PREFIX,
   CALL_CATCH_ALL,
   REFLECTABLE,
   CLASS_DESCRIPTOR_PROPERTY,
   REQUIRED_PARAMETER_PROPERTY,
   DEFAULT_VALUES_PROPERTY,
   CALL_NAME_PROPERTY
 }