Convert isolate.py to exclusively use .isolate files.

third_party/cacheinvalidation/cacheinvalidation.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     # This library should build cleanly with the extra warnings turned on
     # for Chromium.
     'chromium_code': 1,
     # The root directory for the proto files.
@@ skipping 197 matching lines @@
         '../../testing/gtest.gyp:gtest',
         'cacheinvalidation',
       ],
     },
     {
       'target_name': 'cacheinvalidation_unittests_run',
       'type': 'none',
       'dependencies': [
         'cacheinvalidation_unittests',
       ],
+      'includes': [
+        'cacheinvalidation_unittests.isolate',
+      ],
       'actions': [
         {
           'action_name': 'isolate',
           'inputs': [
-            '<(PRODUCT_DIR)/cacheinvalidation_unittests<(EXECUTABLE_SUFFIX)',
+            'cacheinvalidation_unittests.isolate',
+            '<@(isolate_dependency_tracked)',
           ],
           'outputs': [
             '<(PRODUCT_DIR)/cacheinvalidation_unittests.results',
           ],
           'action': [
             'python',
-            '<(DEPTH)/tools/isolate/isolate.py',
-            '--mode=<(tests_run)',
-            '--root', '<(DEPTH)',
+            '../../tools/isolate/isolate.py',
+            '--mode', '<(tests_run)',
+            '--variable', 'DEPTH=<(DEPTH)',
+            '--variable', 'PRODUCT_DIR=<(PRODUCT_DIR)',
+            '--variable', 'OS=<(OS)',
             '--result', '<@(_outputs)',
-            '<@(_inputs)',
+            'cacheinvalidation_unittests.isolate',
           ],
         },
       ],
     },
   ],
 }