Insure that isolate specific methods are generated after "inherits"

compiler/java/com/google/dart/compiler/backend/js/GenerateJavascriptAST.java

 // 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.
 
 package com.google.dart.compiler.backend.js;
 
 import com.google.common.collect.Lists;
 import com.google.dart.compiler.DartCompilationError;
 import com.google.dart.compiler.DartCompilerContext;
 import com.google.dart.compiler.DartCompilerErrorCode;
@@ skipping 403 matching lines @@
         if (optStrategy.canEmitOptimizedClassConstructor(classElement)) {
           createInlinedClassConstructor(x);
         } else {
           JsFunction jsClass = new JsFunction(globalScope, classJsName).setSourceRef(x);
           jsClass.setIsConstructor(true);
           jsClass.setBody(new JsBlock());
           globalBlock.getStatements().add(jsClass.makeStmt());
         }
       }
 
-      maybeInjectIsolateMethods(classElement);
-
       if (classElement.isInterface()) {
         rtt.generateRuntimeTypeInfo(x);
 
         // Emit only static final fields for interfaces.
         for (Element member : classElement.getMembers()) {
           if (ElementKind.of(member).equals(ElementKind.FIELD)) {
             Modifiers modifiers = member.getModifiers();
             if (modifiers.isStatic() && !modifiers.isAbstractField()) {
               assert modifiers.isFinal();
               generateField((FieldElement) member);
             }
           }
         }
       } else {
         // Inherits.
         if (x.getSuperSymbol() != null) {
           JsNameRef superRef = getJsName(x.getSuperSymbol()).makeRef();
           JsInvocation inherits = AstUtil.newInvocation(
               new JsNameRef("$inherits"),
               classJsName.makeRef(),
               superRef);
           inherits.setSourceRef(x);
           globalBlock.getStatements().add(inherits.makeStmt());
         }
 
+        maybeInjectIsolateMethods(classElement);
         rtt.generateRuntimeTypeInfo(x);
 
         List<Element> classMembers = new ArrayList<Element>();
         classMembers.addAll(classElement.getConstructors());
         for (Element element : classElement.getMembers()) {
           classMembers.add(element);
         }
 
         if (Elements.needsImplicitDefaultConstructor(classElement)) {
           addImplicitDefaultConstructor(x, classElement, classMembers);
@@ skipping 3317 matching lines @@
       JsBlock blockStatics) {
     GenerateJavascriptVisitor generator =
         new GenerateJavascriptVisitor(unit, context, translationContext,
             optStrategy, typeProvider, generateClosureCompatibleCode);
     // Generate the Javascript AST.
     node.accept(generator);
     // Set aside the static initializations
     generator.addStaticInitsToBlock(blockStatics);
   }
 }