diff --git a/gypfiles/isolate.gypi b/gypfiles/isolate.gypi
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+# Copyright 2015 the V8 project authors. All rights reserved.
+# 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.
+
+# This file is meant to be included into a target to provide a rule
+# to "build" .isolate files into a .isolated file.
+#
+# To use this, create a gyp target with the following form:
+# 'conditions': [
+#   ['test_isolation_mode != "noop"', {
+#     'targets': [
+#       {
+#         'target_name': 'foo_test_run',
+#         'type': 'none',
+#         'dependencies': [
+#           'foo_test',
+#         ],
+#         'includes': [
+#           '../gypfiles/isolate.gypi',
+#         ],
+#         'sources': [
+#           'foo_test.isolate',
+#         ],
+#       },
+#     ],
+#   }],
+# ],
+#
+# Note: foo_test.isolate is included and a source file. It is an inherent
+# property of the .isolate format. This permits to define GYP variables but is
+# a stricter format than GYP so isolate.py can read it.
+#
+# The generated .isolated file will be:
+#   <(PRODUCT_DIR)/foo_test.isolated
+#
+# See http://dev.chromium.org/developers/testing/isolated-testing/for-swes
+# for more information.
+
+{
+  'rules': [
+    {
+      'rule_name': 'isolate',
+      'extension': 'isolate',
+      'inputs': [
+        # Files that are known to be involved in this step.
+        '<(DEPTH)/tools/isolate_driver.py',
+        '<(DEPTH)/tools/swarming_client/isolate.py',
+        '<(DEPTH)/tools/swarming_client/run_isolated.py',
+      ],
+      'outputs': [
+        '<(PRODUCT_DIR)/<(RULE_INPUT_ROOT).isolated',
+      ],
+      'action': [
+        'python',
+        '<(DEPTH)/tools/isolate_driver.py',
+        '<(test_isolation_mode)',
+        '--isolated', '<(PRODUCT_DIR)/<(RULE_INPUT_ROOT).isolated',
+        '--isolate', '<(RULE_INPUT_PATH)',
+
+        # Variables should use the -V FOO=<(FOO) form so frequent values,
+        # like '0' or '1', aren't stripped out by GYP. Run 'isolate.py help'
+        # for more details.
+
+        # Path variables are used to replace file paths when loading a .isolate
+        # file
+        '--path-variable', 'DEPTH', '<(DEPTH)',
+        '--path-variable', 'PRODUCT_DIR', '<(PRODUCT_DIR)',
+
+        '--config-variable', 'CONFIGURATION_NAME=<(CONFIGURATION_NAME)',
+        '--config-variable', 'OS=<(OS)',
+        '--config-variable', 'asan=<(asan)',
+        '--config-variable', 'cfi_vptr=<(cfi_vptr)',
+        '--config-variable', 'gcmole=<(gcmole)',
+        '--config-variable', 'has_valgrind=<(has_valgrind)',
+        '--config-variable', 'icu_use_data_file_flag=0',
+        '--config-variable', 'msan=<(msan)',
+        '--config-variable', 'tsan=<(tsan)',
+        '--config-variable', 'coverage=<(coverage)',
+        '--config-variable', 'sanitizer_coverage=<(sanitizer_coverage)',
+        '--config-variable', 'component=<(component)',
+        '--config-variable', 'target_arch=<(target_arch)',
+        '--config-variable', 'use_custom_libcxx=<(use_custom_libcxx)',
+        '--config-variable', 'v8_use_external_startup_data=<(v8_use_external_startup_data)',
+        '--config-variable', 'v8_use_snapshot=<(v8_use_snapshot)',
+      ],
+      'conditions': [
+        ['OS=="win"', {
+          'action': [
+            '--config-variable', 'msvs_version=2013',
+          ],
+        }, {
+          'action': [
+            '--config-variable', 'msvs_version=0',
+          ],
+        }],
+      ],
+    },
+  ],
+}