// Copyright 2020 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. #ifndef ANDROID_WEBVIEW_BROWSER_TRACING_BACKGROUND_TRACING_FIELD_TRIAL_H_ #define ANDROID_WEBVIEW_BROWSER_TRACING_BACKGROUND_TRACING_FIELD_TRIAL_H_ namespace android_webview { // Sets up background tracing in system mode if configured. Does not require the // metrics service to be enabled. // Since only one of the tracing modes (system/preemptive/reactive) is specified // in a given config, if system tracing is set up as a result of this method // call, any calls to MaybeSetupWebViewOnlyTracing() in the same browser process // will do nothing. void MaybeSetupSystemTracing(); // Sets up app-only background tracing if configured. Requires the metrics // service to be enabled. // Since only one of the tracing modes (system/preemptive/reactive) is specified // in a given config, if app-only tracing is set up as a result of this method // call, any calls to MaybeSetupSystemTracing() in the same browser process will // do nothing. void MaybeSetupWebViewOnlyTracing(); } // namespace android_webview #endif // ANDROID_WEBVIEW_BROWSER_TRACING_BACKGROUND_TRACING_FIELD_TRIAL_H_