ui/views: Cleanup usage of scoped_ptr.

ui/views/event_monitor_mac.mm

Index: ui/views/event_monitor_mac.mm
diff --git a/ui/views/event_monitor_mac.mm b/ui/views/event_monitor_mac.mm
index 43ca5713d90fee73b7bcf36277facebbaea10595..1de603634cf09a70a356573cd83abc41ef44e5f5 100644
--- a/ui/views/event_monitor_mac.mm
+++ b/ui/views/event_monitor_mac.mm
@@ -16,15 +16,14 @@ namespace views {
 // static
 scoped_ptr<EventMonitor> EventMonitor::CreateApplicationMonitor(
     ui::EventHandler* event_handler) {
-  return scoped_ptr<EventMonitor>(new EventMonitorMac(event_handler, nullptr));
+  return make_scoped_ptr(new EventMonitorMac(event_handler, nullptr));
 }
 
 // static
 scoped_ptr<EventMonitor> EventMonitor::CreateWindowMonitor(
     ui::EventHandler* event_handler,
     gfx::NativeWindow target_window) {
-  return scoped_ptr<EventMonitor>(
-      new EventMonitorMac(event_handler, target_window));
+  return make_scoped_ptr(new EventMonitorMac(event_handler, target_window));
 }
 
 // static