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

chrome/chrome_tests.gypi

 # 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 4805 matching lines @@
             {
               'action_name': 'isolate',
               'inputs': [
                 '<@(isolate_dependency_tracked)',
               ],
               'outputs': [
                 '<(PRODUCT_DIR)/unit_tests.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', 'unit_tests.isolate',
               ],
             },
           ],
         },
@@ skipping 10 matching lines @@
             {
               'action_name': 'isolate',
               'inputs': [
                 '<@(isolate_dependency_tracked)',
               ],
               'outputs': [
                 '<(PRODUCT_DIR)/browser_tests.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', 'browser_tests.isolate',
               ],
             },
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }