Index: tools/perf/measurements/smoothness.py |
diff --git a/tools/perf/measurements/smoothness.py b/tools/perf/measurements/smoothness.py |
index 47a7802b7af51579fa5a3a4b95b17da47f804739..83b3ce40ae177f01322372018bf775bb97b220f6 100644 |
--- a/tools/perf/measurements/smoothness.py |
+++ b/tools/perf/measurements/smoothness.py |
@@ -29,7 +29,7 @@ class Smoothness(page_measurement.PageMeasurement): |
def CustomizeBrowserOptions(self, options): |
smoothness.SmoothnessMetrics.CustomizeBrowserOptions(options) |
if self.force_enable_threaded_compositing: |
- options.extra_browser_args.append('--enable-threaded-compositing') |
+ options.AppendExtraBrowserArgs('--enable-threaded-compositing') |
def CanRunForPage(self, page): |
return hasattr(page, 'smoothness') |