Move src/tools/isolate to src/tools/swarm_client as a DEPS.

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 1028 matching lines @@
               'action_name': 'isolate',
               'inputs': [
                 'base_unittests.isolate',
                 '<@(isolate_dependency_tracked)',
               ],
               'outputs': [
                 '<(PRODUCT_DIR)/base_unittests.results',
               ],
               'action': [
                 'python',
-                '../tools/isolate/isolate.py',
+                '../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',
               ],
             },
           ],
         },
       ],
     }],
   ],
 }