Don't use 'new Function' for lazily initialized getter.

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

 // Copyright (c) 2012, 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;
 
 class CodeEmitterNoEvalTask extends CodeEmitterTask {
   CodeEmitterNoEvalTask(Compiler compiler,
                         Namer namer,
                         bool generateSourceMap)
@@ skipping 41 matching lines @@
     ForceEfficientMap.prototype = this;
     new ForceEfficientMap;
   }
   Isolate.prototype = oldIsolate.prototype;
   Isolate.prototype.constructor = Isolate;
   Isolate.${namer.ISOLATE_PROPERTIES} = isolateProperties;
   return Isolate;
 }""";
   }
 
+  String get lazyInitializerFunction {
+    return """
+function(prototype, staticName, fieldName, getterName, lazyValue, getter) {
+$lazyInitializerLogic
+}""";
+  }
+
+  void emitLazyInitializedGetter(VariableElement element, CodeBuffer buffer) {
+    String isolate = namer.CURRENT_ISOLATE;
+    buffer.add(', function() { return $isolate.${namer.getName(element)}; }');
+  }
+
   void emitBoundClosureClassHeader(String mangledName,
                                    String superName,
                                    String extraArgument,
                                    CodeBuffer buffer) {
     if (!extraArgument.isEmpty) {
       buffer.add("""
 $classesCollector.$mangledName = {'': function $mangledName(
     self, $extraArgument, target) {
   this.self = self;
   this.$extraArgument = $extraArgument,
@@ skipping 78 matching lines @@
         generateSetter(member, name, accessorName, buffer);
       }
       if (needsCheckedSetter) {
         assert(!needsSetter);
         emitComma();
         generateCheckedSetter(member, name, accessorName, buffer);
       }
     });
   }
 }