Convert all the foo_test_run from using actions to use rules.

base/base.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': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 1038 matching lines @@
     }],
     ['test_isolation_mode != "noop"', {
       'targets': [
         {
           'target_name': 'base_unittests_run',
           'type': 'none',
           'dependencies': [
             'base_unittests',
           ],
           'includes': [
+            '../build/isolate.gypi',
             'base_unittests.isolate',
           ],
-          'actions': [
-            {
-              'action_name': 'isolate',
-              'inputs': [
-                'base_unittests.isolate',
-                '<@(isolate_dependency_tracked)',
-              ],
-              'outputs': [
-                '<(PRODUCT_DIR)/base_unittests.isolated',
-              ],
-              'action': [
-                'python',
-                '../tools/swarm_client/isolate.py',
-                '<(test_isolation_mode)',
-                '--outdir', '<(test_isolation_outdir)',
-                '--variable', 'PRODUCT_DIR', '<(PRODUCT_DIR)',
-                '--variable', 'OS', '<(OS)',
-                '--result', '<@(_outputs)',
-                '--isolate', 'base_unittests.isolate',
-              ],
-            },
+          'sources': [
+            'base_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }