Updating isolate scripts to read in chartjson telemetry results

testing/scripts/run_gpu_integration_test_as_googletest.py

Index: testing/scripts/run_gpu_integration_test_as_googletest.py
diff --git a/testing/scripts/run_gpu_integration_test_as_googletest.py b/testing/scripts/run_gpu_integration_test_as_googletest.py
index 20f46c6ae5b5557a47864c523778e7a8de99bac7..955095e9be092e15c8976e8d6f74622934a8c538 100755
--- a/testing/scripts/run_gpu_integration_test_as_googletest.py
+++ b/testing/scripts/run_gpu_integration_test_as_googletest.py
@@ -44,8 +44,12 @@ def main():
   parser.add_argument(
       '--isolated-script-test-output', type=str,
       required=True)
+  parser.add_argument(
+    '--isolated-script-test-chartjson-output', type=argparse.FileType('w'),
+    required=False)
   parser.add_argument('--xvfb', help='Start xvfb.', action='store_true')
   args, rest_args = parser.parse_known_args()
+
   xvfb_proc = None
   openbox_proc = None
   xcompmgr_proc = None