Rename JS_CURRENT_ISOLATE to JS_CURRENT_ISOLATE_CONTEXT.

dart/tests/compiler/dart2js/interceptor_test.dart

 // Copyright (c) 2013, 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.
 
 import "package:expect/expect.dart";
 import 'compiler_helper.dart';
 
 const String TEST_ONE = r"""
   foo(a) {
     // Make sure there is a bailout version.
@@ skipping 24 matching lines @@
 
 main() {
   var generated = compile(TEST_ONE, entry: 'foo');
   // Check that the one shot interceptor got converted to a direct
   // call to the interceptor object.
   Expect.isTrue(generated.contains('JSNumber_methods.get\$toString(a + 42);'));
 
   // Check that one-shot interceptors preserve variable names, see
   // https://code.google.com/p/dart/issues/detail?id=8106.
   generated = compile(TEST_TWO, entry: 'foo');
-  Expect.isTrue(generated.contains(r'$.$add$n(a, 42)'));
+  Expect.isTrue(generated.contains(new RegExp(r'[$a-z]+\.\$add\$n\(a, 42\)')));
   Expect.isTrue(generated.contains('myVariableName'));
 
   // Check that an intercepted getter that does not need to be
   // intercepted, is turned into a regular getter call or field
   // access.
   generated = compile(TEST_THREE, entry: 'foo');
   Expect.isFalse(generated.contains(r'a.get$length()'));
-  Expect.isTrue(generated.contains(r'$.A$().length'));
-  Expect.isTrue(generated.contains(r'$.get$length$a(a)'));
+  Expect.isTrue(generated.contains(new RegExp(r'[$a-z]+\.A\$\(\)\.length')));
+  Expect.isTrue(
+      generated.contains(new RegExp(r'[$a-z]+\.get\$length\$a\(a\)')));
 }