Convert gn_unittests to run exclusively on Swarming

tools/gn/gn_unittests.isolate

Index: tools/gn/gn_unittests.isolate
diff --git a/ui/accessibility/accessibility_unittests.isolate b/tools/gn/gn_unittests.isolate
similarity index 60%
copy from ui/accessibility/accessibility_unittests.isolate
copy to tools/gn/gn_unittests.isolate
index 21704d6178a7f14ba3961e25b6f1310a796eb9e8..20946188a4fc1389452507b11ea455cefeaf843a 100644
--- a/ui/accessibility/accessibility_unittests.isolate
+++ b/tools/gn/gn_unittests.isolate
@@ -1,4 +1,4 @@
-# Copyright (c) 2014 The Chromium Authors. All rights reserved.
+# 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.
 {
@@ -6,10 +6,11 @@
     ['OS=="linux" or OS=="mac" or OS=="win"', {
       'variables': {
         'command': [
-          '<(PRODUCT_DIR)/accessibility_unittests<(EXECUTABLE_SUFFIX)',
+          '<(PRODUCT_DIR)/gn_unittests<(EXECUTABLE_SUFFIX)',
         ],
         'files': [
-          '<(PRODUCT_DIR)/accessibility_unittests<(EXECUTABLE_SUFFIX)',
+          'format_test_data/',

[Nico, 2015/06/30 22:52:00]

(i filed https://code.google.com/p/chromium/issues/detail?id=505991 for this)

+          '<(PRODUCT_DIR)/gn_unittests<(EXECUTABLE_SUFFIX)',
         ],
       },
     }],