Add isolate/swarming support for some Blink test targets.

Source/wtf/wtf_unittests.isolate

Index: Source/wtf/wtf_unittests.isolate
diff --git a/Source/wtf/wtf_unittests.isolate b/Source/wtf/wtf_unittests.isolate
new file mode 100644
index 0000000000000000000000000000000000000000..f3388ff0eb4743ee4669ababa5a83dea8f4833e4
--- /dev/null
+++ b/Source/wtf/wtf_unittests.isolate
@@ -0,0 +1,27 @@
+# Copyright (c) 2015 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.
+{
+  'conditions': [
+    ['OS=="linux" or OS=="mac" or OS=="win"', {
+      'variables': {
+        'command': [
+          '<(DEPTH)/testing/test_env.py',
+          '<(PRODUCT_DIR)/wtf_unittests<(EXECUTABLE_SUFFIX)',
+          '--brave-new-test-launcher',
+          '--test-launcher-bot-mode',
+          '--asan=<(asan)',
+          '--msan=<(msan)',
+          '--tsan=<(tsan)',
+        ],
+        'files': [
+          '<(DEPTH)/testing/test_env.py',
+          '<(PRODUCT_DIR)/wtf_unittests<(EXECUTABLE_SUFFIX)',
+        ],
+      },
+    }],
+  ],
+  'includes': [
+    '../../../../base/base.isolate',
+  ],
+}