Make touch events uncancelable during fling when they are on the current active scroll layer

blimp/client/core/input/blimp_input_handler_wrapper.cc

Index: blimp/client/core/input/blimp_input_handler_wrapper.cc
diff --git a/blimp/client/core/input/blimp_input_handler_wrapper.cc b/blimp/client/core/input/blimp_input_handler_wrapper.cc
index 33ecdf31bef76657da6d47c6a4fc258a238cebd0..dd350b1f4b737f5342e147473e385cf35bb8638b 100644
--- a/blimp/client/core/input/blimp_input_handler_wrapper.cc
+++ b/blimp/client/core/input/blimp_input_handler_wrapper.cc
@@ -69,6 +69,7 @@ void BlimpInputHandlerWrapper::HandleWebGestureEvent(
       break;
     case ui::InputHandlerProxy::EventDisposition::DID_HANDLE_NON_BLOCKING:
     case ui::InputHandlerProxy::EventDisposition::DID_NOT_HANDLE:
+    case ui::InputHandlerProxy::EventDisposition::DID_NOT_HANDLE_NON_BLOCKING:
       consumed = false;
       break;
   }
@@ -124,10 +125,6 @@ void BlimpInputHandlerWrapper::DidOverscroll(
   DCHECK(compositor_thread_checker_.CalledOnValidThread());
 }
 
-void BlimpInputHandlerWrapper::DidStartFlinging() {
-  DCHECK(compositor_thread_checker_.CalledOnValidThread());
-}
-
 void BlimpInputHandlerWrapper::DidStopFlinging() {
   DCHECK(compositor_thread_checker_.CalledOnValidThread());
 }