Index: content/renderer/render_widget.cc |
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc |
index 8c5c6d6893bfbfd4f368e714bfa72c5c94e0759e..59e1ceab0f503d4056947ccd15cf8509feb6bc77 100644 |
--- a/content/renderer/render_widget.cc |
+++ b/content/renderer/render_widget.cc |
@@ -1223,6 +1223,11 @@ void RenderWidget::OnHandleInputEvent(const blink::WebInputEvent* input_event, |
ack.type = input_event->type; |
ack.state = ack_result; |
ack.latency = swap_latency_info; |
+ if (WebInputEvent::isTouchEventType(ack.type)) { |
+ const blink::WebTouchEvent& touch = |
+ static_cast<const blink::WebTouchEvent&>(*input_event); |
+ ack.unique_touch_event_id = touch.uniqueTouchEventId; |
+ } |
scoped_ptr<IPC::Message> response( |
new InputHostMsg_HandleInputEvent_ACK(routing_id_, ack)); |
if (rate_limiting_wanted && frame_pending && !is_hidden_) { |