ui: events: Add a class to hold common touch and stylus properties

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 649e2a15be19251aca8d8d6a7c76875074e0354f..f196d35b6b37dd2c62d419586bb2423c8ab70a96 100644
--- a/ui/aura/window_event_dispatcher.cc
+++ b/ui/aura/window_event_dispatcher.cc
@@ -153,8 +153,10 @@ void WindowEventDispatcher::DispatchGestureEvent(ui::GestureEvent* event) {
 DispatchDetails WindowEventDispatcher::DispatchMouseExitAtPoint(
     Window* window,
     const gfx::Point& point) {
-  ui::MouseEvent event(ui::ET_MOUSE_EXITED, point, point, ui::EventTimeForNow(),
-                       ui::EF_NONE, ui::EF_NONE);
+  ui::MouseEvent event(
+      ui::ET_MOUSE_EXITED, point, point, ui::EventTimeForNow(), ui::EF_NONE,
+      ui::EF_NONE,
+      ui::PointerEventDetails(ui::EventPointerType::POINTER_TYPE_MOUSE));
   return DispatchMouseEnterOrExit(window, event, ui::ET_MOUSE_EXITED);
 }
 
@@ -366,8 +368,10 @@ void WindowEventDispatcher::UpdateCapture(Window* old_capture,
   if (old_capture && old_capture->GetRootWindow() == window() &&
       old_capture->delegate()) {
     // Send a capture changed event with bogus location data.
-    ui::MouseEvent event(ui::ET_MOUSE_CAPTURE_CHANGED, gfx::Point(),
-                         gfx::Point(), ui::EventTimeForNow(), 0, 0);
+    ui::MouseEvent event(
+        ui::ET_MOUSE_CAPTURE_CHANGED, gfx::Point(), gfx::Point(),
+        ui::EventTimeForNow(), 0, 0,
+        ui::PointerEventDetails(ui::EventPointerType::POINTER_TYPE_MOUSE));
 
     DispatchDetails details = DispatchEvent(old_capture, &event);
     if (details.dispatcher_destroyed)
@@ -723,9 +727,10 @@ ui::EventDispatchDetails WindowEventDispatcher::SynthesizeMouseMoveEvent() {
     return details;
   gfx::Point host_mouse_location = root_mouse_location;
   host_->ConvertPointToHost(&host_mouse_location);
-  ui::MouseEvent event(ui::ET_MOUSE_MOVED, host_mouse_location,
-                       host_mouse_location, ui::EventTimeForNow(),
-                       ui::EF_IS_SYNTHESIZED, 0);
+  ui::MouseEvent event(
+      ui::ET_MOUSE_MOVED, host_mouse_location, host_mouse_location,
+      ui::EventTimeForNow(), ui::EF_IS_SYNTHESIZED, 0,
+      ui::PointerEventDetails(ui::EventPointerType::POINTER_TYPE_MOUSE));
   return OnEventFromSource(&event);
 }