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

tools/isolate/tests/isolate/non_existent.isolate

Index: tools/isolate/tests/isolate/non_existent.isolate
diff --git a/tools/isolate/tests/isolate/non_existent.isolate b/tools/isolate/tests/isolate/non_existent.isolate
deleted file mode 100644
index 8e344d9080ff94ee22b22dc03e919399e6cbf0c0..0000000000000000000000000000000000000000
--- a/tools/isolate/tests/isolate/non_existent.isolate
+++ /dev/null
@@ -1,10 +0,0 @@
-# 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': {
-    'isolate_dependency_tracked': [
-      'A_file_that_do_not_exist',
-    ],
-  },
-}