Send pointer events regardless of it being a disabled form control.

third_party/WebKit/LayoutTests/external/wpt_automation/pointerevents/pointerevent_disabled_form_control-manual-automation.js

+importAutomationScript('/pointerevents/pointerevent_common_input.js');
+
+function inject_input() {
+  return mouseClickInTarget('#target0').then(function() {
+    return mouseMoveToDocument();
+  }).then(function() {
+    return pointerDragInTarget('touch', '#target0', 'right');
+  }).then(function() {
+    return penClickInTarget('#target0');
+  }).then(function() {
+    return penMoveToDocument();
+  });
+}