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

content/browser/renderer_host/input/content_gesture_provider.cc

Index: content/browser/renderer_host/input/content_gesture_provider.cc
diff --git a/content/browser/renderer_host/input/content_gesture_provider.cc b/content/browser/renderer_host/input/content_gesture_provider.cc
index e3993bebf1b430f9c8f4fcacaa92195c5cf35475..fddd125a194547e2145e9cc4357376ed95e71311 100644
--- a/content/browser/renderer_host/input/content_gesture_provider.cc
+++ b/content/browser/renderer_host/input/content_gesture_provider.cc
@@ -181,10 +181,6 @@ void ContentGestureProvider::ResetGestureDetectors() {
   gesture_provider_.ResetGestureDetectors();
 }
 
-void ContentGestureProvider::CancelActiveTouchSequence() {
-  gesture_provider_.CancelActiveTouchSequence();
-}
-
 void ContentGestureProvider::SetMultiTouchSupportEnabled(bool enabled) {
   gesture_provider_.SetMultiTouchSupportEnabled(enabled);
 }
@@ -198,6 +194,10 @@ void ContentGestureProvider::SetDoubleTapSupportForPageEnabled(bool enabled) {
   gesture_provider_.SetDoubleTapSupportForPageEnabled(enabled);
 }
 
+const ui::MotionEvent* ContentGestureProvider::GetCurrentDownEvent() const {
+  return gesture_provider_.current_down_event();
+}
+
 void ContentGestureProvider::OnGestureEvent(
     const ui::GestureEventData& event) {
   if (handling_event_) {