Remove is_fling flag for fling intervention

content/renderer/input/input_handler_manager.cc

Index: content/renderer/input/input_handler_manager.cc
diff --git a/content/renderer/input/input_handler_manager.cc b/content/renderer/input/input_handler_manager.cc
index c8b5b682e43f16422accb633fcca23fc578fd6ac..c617fb08b0f6f949bcf645e3501d372bfb2f17b0 100644
--- a/content/renderer/input/input_handler_manager.cc
+++ b/content/renderer/input/input_handler_manager.cc
@@ -35,6 +35,8 @@ InputEventAckState InputEventDispositionToAck(
       return INPUT_EVENT_ACK_STATE_CONSUMED;
     case InputHandlerProxy::DID_NOT_HANDLE:
       return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
+    case InputHandlerProxy::DID_NOT_HANDLE_NON_BLOCKING:
+      return INPUT_EVENT_ACK_STATE_NOT_CONSUMED_NON_BLOCKING;
     case InputHandlerProxy::DROP_EVENT:
       return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
     case InputHandlerProxy::DID_HANDLE_NON_BLOCKING:
@@ -240,6 +242,7 @@ void InputHandlerManager::DidHandleInputEventAndOverscroll(
           RendererScheduler::InputEventState::EVENT_CONSUMED_BY_COMPOSITOR);
       break;
     case INPUT_EVENT_ACK_STATE_NOT_CONSUMED:
+    case INPUT_EVENT_ACK_STATE_NOT_CONSUMED_NON_BLOCKING:
       renderer_scheduler_->DidHandleInputEventOnCompositorThread(
           *input_event,
           RendererScheduler::InputEventState::EVENT_FORWARDED_TO_MAIN_THREAD);
@@ -256,10 +259,6 @@ void InputHandlerManager::DidOverscroll(int routing_id,
   client_->DidOverscroll(routing_id, params);
 }
 
-void InputHandlerManager::DidStartFlinging(int routing_id) {
-  client_->DidStartFlinging(routing_id);
-}
-
 void InputHandlerManager::DidStopFlinging(int routing_id) {
   client_->DidStopFlinging(routing_id);
 }