Move hasRuntimeTypeSupport, hasIsolateSupport, and hasFunctionApplySupport to JavaScriptBackend.

pkg/compiler/lib/src/common/names.dart

 // Copyright (c) 2015, 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.
 
 /// Library containing identifier, names, and selectors commonly used through
 /// the compiler.
 library dart2js.common.names;
 
 import '../elements/elements.dart' show Name, PublicName;
 import '../universe/call_structure.dart' show CallStructure;
@@ skipping 144 matching lines @@
   /// The URI for 'dart:collection'.
   static final Uri dart_collection =
       new Uri(scheme: 'dart', path: 'collection');
 
   /// The URI for 'dart:core'.
   static final Uri dart_core = new Uri(scheme: 'dart', path: 'core');
 
   /// The URI for 'dart:html'.
   static final Uri dart_html = new Uri(scheme: 'dart', path: 'html');
 
+  /// The URI for 'dart:isolate'.
+  static final Uri dart_isolate = new Uri(scheme: 'dart', path: 'isolate');
+
   /// The URI for 'dart:mirrors'.
   static final Uri dart_mirrors = new Uri(scheme: 'dart', path: 'mirrors');
 
   /// The URI for 'dart:_internal'.
   static final Uri dart__internal = new Uri(scheme: 'dart', path: '_internal');
 
   /// The URI for 'dart:_native_typed_data'.
   static final Uri dart__native_typed_data =
       new Uri(scheme: 'dart', path: '_native_typed_data');
 
   /// The URI for 'dart:svg'.
   static final Uri dart_svg = new Uri(scheme: 'dart', path: 'svg');
 
   /// The URI for 'dart:web_audio'.
   static final Uri dart_web_audio = new Uri(scheme: 'dart', path: 'web_audio');
 
   /// The URI for 'dart:web_gl'.
   static final Uri dart_web_gl = new Uri(scheme: 'dart', path: 'web_gl');
 }