Remove .isolated file rewriting.

scripts/slave/unittests/runisolatedtest_test.py

 #!/usr/bin/env python
 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import json
 import os
 import shutil
 import sys
 import tempfile
@@ skipping 20 matching lines @@
 
   def test_arguments(self):
     actual = []
     runisolatedtest.run_command = lambda x: actual.append(x) or 0
     exe = os.path.join(self.tempdir, 'foo')
     isolated = exe + '.isolated'
 
     data = {
       'version': '1.0',
       'command': [ '../testing/test_env.py',
-                   r'..\build\Release/browser_test.exe'],
-      'files': { r'build\Release\testdata': {} },
+                   r'..\out\Release/browser_test.exe'],
+      'files': { r'out\Release\testdata': {} },
 
       'variables' : {
         'EXECUTABLE_SUFFIX' : '.exe',
         'OS' : 'win',
-        'PRODUCT_DIR' : '../build/Release'
+        'PRODUCT_DIR' : '../out/Release'
       },
     }
     with open(isolated, 'w') as f:
       json.dump(data, f)
 
     sample_line = [
       '--test_name', 'base_unittests',
       '--builder_name', "Linux Tests",
       '--checkout_dir',
       'build/',
@@ skipping 43 matching lines @@
       converted_data = json.load(f)
 
     self.assertEqual(expected_data, converted_data)
 
     self.assertEqual(0, res)
     self.assertEqual(expected, actual)
 
 
 if __name__ == '__main__':
   unittest.main()