// Copyright 2017 The Chromium Authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.import'dart:ui';/// Whether we've been built in release mode.constbool_kReleaseMode=constbool.fromEnvironment("dart.vm.product");/// When running in profile mode (or debug mode), invoke the given function.////// In release mode, the function is not invoked.// TODO(devoncarew): Going forward, we'll want the call to profile() to be tree-shaken out.voidprofile(VoidCallbackfunction){if(_kReleaseMode)return;function();}