Convert Mojo tests to use swarming.

mojo/mojo.isolate

Index: mojo/mojo.isolate
diff --git a/mojo/mojo_common_unittests.isolate b/mojo/mojo.isolate
similarity index 59%
copy from mojo/mojo_common_unittests.isolate
copy to mojo/mojo.isolate
index 8fe9d31f72884d2f73470f3811a44dc634cb9ce0..693e94a3dbb9c0b82e03ecfc06927e1ff74c33a5 100644
--- a/mojo/mojo_common_unittests.isolate
+++ b/mojo/mojo.isolate
@@ -1,4 +1,4 @@
-# Copyright 2015 The Chromium Authors. All rights reserved.
+# Copyright 2016 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.
 {
@@ -6,19 +6,6 @@
     '../base/base.isolate',
   ],
   'conditions': [
-    ['OS=="win" or OS=="mac" or OS=="linux"', {
-      'variables': {
-        'command': [
-          '../testing/test_env.py',
-          '<(PRODUCT_DIR)/mojo_common_unittests<(EXECUTABLE_SUFFIX)',
-          '--brave-new-test-launcher',
-          '--test-launcher-bot-mode',
-        ],
-        'files': [
-          '../testing/test_env.py',
-        ],
-      },
-    }],
     ['OS=="win"', {
       'variables': {
         'files': [