Expose native, desktop and mobile gesture detection defaults

ui/aura/window_event_dispatcher.cc

Index: ui/aura/window_event_dispatcher.cc
diff --git a/ui/aura/window_event_dispatcher.cc b/ui/aura/window_event_dispatcher.cc
index eadda03f6794645960382900eb4dcc4970ebb0a6..452cea8ccfcbc7b6f3669a465f2d99e72206e80f 100644
--- a/ui/aura/window_event_dispatcher.cc
+++ b/ui/aura/window_event_dispatcher.cc
@@ -161,8 +161,8 @@ void WindowEventDispatcher::ProcessedTouchEvent(ui::TouchEvent* event,
                                                 ui::EventResult result) {
   // TODO(tdresser): Move this to PreDispatchTouchEvent, to enable eager
   // gesture detection. See crbug.com/410280.
-  if (!ui::GestureRecognizer::Get()
-           ->ProcessTouchEventPreDispatch(*event, window)) {
+  if (!ui::GestureRecognizer::Get()->ProcessTouchEventPreDispatch(event,
+                                                                  window)) {
     return;
   }
 
@@ -510,9 +510,8 @@ ui::EventDispatchDetails WindowEventDispatcher::PostDispatchEvent(
 
       // TODO(tdresser): Move this to PreDispatchTouchEvent, to enable eager
       // gesture detection. See crbug.com/410280.
-      if (!ui::GestureRecognizer::Get()
-               ->ProcessTouchEventPreDispatch(orig_event,
-                                              static_cast<Window*>(target))) {
+      if (!ui::GestureRecognizer::Get()->ProcessTouchEventPreDispatch(
+              &orig_event, static_cast<Window*>(target))) {
         return details;
       }