ash: Record some additional information about the gestures.

ui/aura/root_window.cc

Index: ui/aura/root_window.cc
diff --git a/ui/aura/root_window.cc b/ui/aura/root_window.cc
index 6c45b2368fed4ba84e19cb7c219481a76ac1065b..56d2f269459c2e863207627edc3c291ad6ed3f4c 100644
--- a/ui/aura/root_window.cc
+++ b/ui/aura/root_window.cc
@@ -856,15 +856,15 @@ bool RootWindow::DispatchCancelTouchEvent(ui::TouchEvent* event) {
   return DispatchTouchEvent(static_cast<TouchEvent*>(event));
 }
 
-ui::GestureEvent* RootWindow::CreateGestureEvent(ui::EventType type,
+ui::GestureEvent* RootWindow::CreateGestureEvent(
+    const ui::GestureEventDetails& details,
     const gfx::Point& location,
     int flags,
     base::Time time,
-    float param_first,
-    float param_second,
     unsigned int touch_id_bitfield) {
-  return new GestureEvent(type, location.x(), location.y(), flags, time,
-                          param_first, param_second, touch_id_bitfield);
+  return new GestureEvent(details.type(), location.x(), location.y(),
+                          flags, time, details,
+                          touch_id_bitfield);
 }
 
 ui::TouchEvent* RootWindow::CreateTouchEvent(ui::EventType type,