[Android] Always insert a TouchCancel if window or tab focus is lost

ui/events/gesture_detection/mock_motion_event.cc

Index: ui/events/gesture_detection/mock_motion_event.cc
diff --git a/ui/events/gesture_detection/mock_motion_event.cc b/ui/events/gesture_detection/mock_motion_event.cc
index 59d938e207d2d1f5bb183f4ca8210a739ce20273..7c41d8dbafa26f988e72c889d171aed761070c52 100644
--- a/ui/events/gesture_detection/mock_motion_event.cc
+++ b/ui/events/gesture_detection/mock_motion_event.cc
@@ -72,6 +72,10 @@ float MockMotionEvent::GetTouchMajor(size_t pointer_index) const {
   return kTouchMajor;
 }
 
+float MockMotionEvent::GetPressure(size_t pointer_index) const {
+  return 0;
+}
+
 TimeTicks MockMotionEvent::GetEventTime() const { return time; }
 
 size_t MockMotionEvent::GetHistorySize() const { return 0; }