Revert "Emit constants using ASTs"

sdk/lib/_internal/compiler/implementation/js_backend/namer.dart

 // Copyright (c) 2011, 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.
 
 part of js_backend;
 
 /**
  * Assigns JavaScript identifiers to Dart variables, class-names and members.
  */
 class Namer {
@@ skipping 398 matching lines @@
 
   String getLazyInitializerName(Element element) {
     assert(Elements.isStaticOrTopLevelField(element));
     return getMappedGlobalName("get\$${getName(element)}");
   }
 
   String isolatePropertiesAccess(Element element) {
     return "$ISOLATE.$ISOLATE_PROPERTIES.${getName(element)}";
   }
 
+  String isolatePropertiesAccessForConstant(String constantName) {
+    return "$ISOLATE.$ISOLATE_PROPERTIES.$constantName";
+  }
+
   String isolateAccess(Element element) {
     return "$CURRENT_ISOLATE.${getName(element)}";
   }
 
   String isolateBailoutAccess(Element element) {
     String newName = getMappedGlobalName('${getName(element)}\$bailout');
     return '$CURRENT_ISOLATE.$newName';
   }
 
   String isolateLazyInitializerAccess(Element element) {
     return "$CURRENT_ISOLATE.${getLazyInitializerName(element)}";
   }
 
   String operatorIs(Element element) {
     // TODO(erikcorry): Reduce from is$x to ix when we are minifying.
     return 'is\$${getName(element)}';
   }
 
   String safeName(String name) {
     if (jsReserved.contains(name) || name.startsWith('\$')) {
       name = "\$$name";
       assert(!jsReserved.contains(name));
     }
     return name;
   }
 }