Use the location where FileDescriptorWatcher is created to track the libevent handlers

ui/events/ozone/device/udev/device_manager_udev.cc

Index: ui/events/ozone/device/udev/device_manager_udev.cc
diff --git a/ui/events/ozone/device/udev/device_manager_udev.cc b/ui/events/ozone/device/udev/device_manager_udev.cc
index 2f8ee265653b98c012857fe162c501768801ef35..bc89145783b715398f6d17397906a3f83b35abf5 100644
--- a/ui/events/ozone/device/udev/device_manager_udev.cc
+++ b/ui/events/ozone/device/udev/device_manager_udev.cc
@@ -82,8 +82,8 @@ device::ScopedUdevMonitorPtr UdevCreateMonitor(struct udev* udev) {
 
 }  // namespace
 
-DeviceManagerUdev::DeviceManagerUdev() : udev_(UdevCreate()) {
-}
+DeviceManagerUdev::DeviceManagerUdev()
+    : udev_(UdevCreate()), controller_(FROM_HERE) {}
 
 DeviceManagerUdev::~DeviceManagerUdev() {
 }