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

ui/views/controls/button/custom_button.cc

Index: ui/views/controls/button/custom_button.cc
diff --git a/ui/views/controls/button/custom_button.cc b/ui/views/controls/button/custom_button.cc
index 5040c4ea9cf13cf814f091766d2af59e6f9bceb7..648ef20f8e2d0b303eb6372cb493d338ebcc0c9f 100644
--- a/ui/views/controls/button/custom_button.cc
+++ b/ui/views/controls/button/custom_button.cc
@@ -198,10 +198,11 @@ bool CustomButton::OnKeyPressed(const ui::KeyEvent& event) {
   } else if (event.key_code() == ui::VKEY_RETURN) {
     SetState(STATE_NORMAL);
     // TODO(beng): remove once NotifyClick takes ui::Event.
-    ui::MouseEvent synthetic_event(ui::ET_MOUSE_RELEASED, gfx::Point(),
-                                   gfx::Point(), ui::EventTimeForNow(),
-                                   ui::EF_LEFT_MOUSE_BUTTON,
-                                   ui::EF_LEFT_MOUSE_BUTTON);
+    ui::MouseEvent synthetic_event(
+        ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(),
+        ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
+        ui::EF_LEFT_MOUSE_BUTTON,
+        ui::PointerEventDetails(ui::EventPointerType::POINTER_TYPE_MOUSE));
     NotifyClick(synthetic_event);
   } else {
     return false;
@@ -217,7 +218,8 @@ bool CustomButton::OnKeyReleased(const ui::KeyEvent& event) {
   // TODO(beng): remove once NotifyClick takes ui::Event.
   ui::MouseEvent synthetic_event(
       ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(), ui::EventTimeForNow(),
-      ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
+      ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON,
+      ui::PointerEventDetails(ui::EventPointerType::POINTER_TYPE_MOUSE));
   NotifyClick(synthetic_event);
   return true;
 }
@@ -256,7 +258,8 @@ bool CustomButton::AcceleratorPressed(const ui::Accelerator& accelerator) {
   // TODO(beng): remove once NotifyClick takes ui::Event.
   ui::MouseEvent synthetic_event(
       ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(), ui::EventTimeForNow(),
-      ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
+      ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON,
+      ui::PointerEventDetails(ui::EventPointerType::POINTER_TYPE_MOUSE));
   NotifyClick(synthetic_event);
   return true;
 }