Update from https://crrev.com/309717

ui/events/gesture_detection/gesture_config_helper_aura.cc

Index: ui/events/gesture_detection/gesture_config_helper_aura.cc
diff --git a/ui/events/gesture_detection/gesture_config_helper_aura.cc b/ui/events/gesture_detection/gesture_config_helper_aura.cc
index a536bbce8c1ddcacc5e9e909f36a8e4a67c74276..98c6ee2eb13cc7f7887c32ad592eae0f1863e8ef 100644
--- a/ui/events/gesture_detection/gesture_config_helper_aura.cc
+++ b/ui/events/gesture_detection/gesture_config_helper_aura.cc
@@ -50,7 +50,7 @@ ScaleGestureDetector::Config DefaultScaleGestureDetectorConfig() {
   config.min_scaling_touch_major = GestureConfiguration::default_radius() * 2;
   config.min_scaling_span = GestureConfiguration::min_scaling_span_in_pixels();
   config.min_pinch_update_span_delta =
-      CommandLine::ForCurrentProcess()->HasSwitch(
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kCompensateForUnstablePinchZoom) ?
       GestureConfiguration::min_pinch_update_distance_in_pixels() : 0;
   return config;