Let the browser know the end of fling

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 17c4cceb5769ed44f3658dca01f384554e828899..885a34bdd0d1dfae3ea0d1c57eb7baa1a111c654 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -1072,9 +1072,8 @@ void RenderWidgetHostViewAndroid::GestureEventAck(
       ack_result == INPUT_EVENT_ACK_STATE_CONSUMED) {
     content_view_core_->OnScrollUpdateGestureConsumed();
   }
-  if (gesture_event_type == blink::WebInputEvent::GestureFlingStart &&
-      ack_result == INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS) {
-    content_view_core_->UnhandledFlingStartEvent();
+  if (gesture_event_type == blink::WebInputEvent::GestureFlingStart) {
+    content_view_core_->OnFlingStartEventAck(ack_result);
   }
 }
 
@@ -1294,6 +1293,11 @@ void RenderWidgetHostViewAndroid::OnOverscrolled(
   }
 }
 
+void RenderWidgetHostViewAndroid::DidStopFlinging() {
+  if (content_view_core_)
+    content_view_core_->DidStopFlinging();
+}
+
 void RenderWidgetHostViewAndroid::SetContentViewCore(
     ContentViewCoreImpl* content_view_core) {
   RunAckCallbacks();