Dump touchpad event logs for touch log source

ui/events/ozone/evdev/input_controller_evdev.cc

Index: ui/events/ozone/evdev/input_controller_evdev.cc
diff --git a/ui/events/ozone/evdev/input_controller_evdev.cc b/ui/events/ozone/evdev/input_controller_evdev.cc
index 0f3ba9c3b89c4a2499f83955988f8c8aeb16b562..706a5ce8c40b5976e958db562c9316994423e4e8 100644
--- a/ui/events/ozone/evdev/input_controller_evdev.cc
+++ b/ui/events/ozone/evdev/input_controller_evdev.cc
@@ -152,6 +152,15 @@ void InputControllerEvdev::GetTouchDeviceStatus(
     reply.Run(make_scoped_ptr(new std::string));
 }
 
+void InputControllerEvdev::GetTouchEventLog(
+    const base::FilePath& out_dir,
+    const GetTouchEventLogReply& reply) {
+  if (input_device_factory_)
+    input_device_factory_->GetTouchEventLog(out_dir, reply);
+  else
+    reply.Run(make_scoped_ptr(new std::vector<base::FilePath>));
+}
+
 void InputControllerEvdev::ScheduleUpdateDeviceSettings() {
   if (!input_device_factory_ || settings_update_pending_)
     return;