Cleanup of isolate.status (first step)

tests/isolate/browser/ports_compilation_browser_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.
 
 // Regression test for dart2js that used to crash when compiling
 // [foo]. See http://code.google.com/p/dart/issues/detail?id=7448.
 
 library ports_compilation;
 import 'dart:html';
 import 'dart:isolate';
-import '../../pkg/unittest/lib/unittest.dart';
-import '../../pkg/unittest/lib/html_config.dart';
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
 
 void foo() {
   // Create a "SendPortSync" object and access one of its members.
   SendPortSync s_port;
   s_port.callSync;
-  
+
   // Create a "ReceivePortSync" object (with the constructor) and
   // access one of its members.
   var r_port = new ReceivePortSync();
   r_port.receive;
-  
+
   // Call getComputedStyle() from the HTML library.
   query("").getComputedStyle("");
 }
 
 int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
 
 void main() {
   // Generate the call, but don't execute it.
   if (inscrutable(1) != 1) foo();
   useHtmlConfiguration();
   bar();
   // Also generate it here in case the compiler's worklist goes from
   // last seen to first seen.
   if (inscrutable(1) != 1) foo();
 }
 
 bar() {
   test('compile', () { });
 }