| // 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. |
| |
| #include "android_webview/browser/tracing/background_tracing_field_trial.h" |
| |
| #include "base/callback_helpers.h" |
| #include "content/public/browser/background_tracing_config.h" |
| #include "content/public/browser/background_tracing_manager.h" |
| #include "services/tracing/public/cpp/tracing_features.h" |
| |
| namespace android_webview { |
| |
| const char kBackgroundTracingFieldTrial[] = "BackgroundWebviewTracing"; |
| |
| void SetupBackgroundTracingFieldTrial() { |
| std::unique_ptr<content::BackgroundTracingConfig> config = |
| content::BackgroundTracingManager::GetInstance() |
| ->GetBackgroundTracingConfig(kBackgroundTracingFieldTrial); |
| |
| if (config && |
| config->tracing_mode() == content::BackgroundTracingConfig::SYSTEM && |
| tracing::ShouldSetupSystemTracing()) { |
| // Only enable background tracing for system tracing if the system producer |
| // is enabled. |
| content::BackgroundTracingManager::GetInstance()->SetActiveScenario( |
| std::move(config), |
| base::BindRepeating( |
| base::DoNothing::Repeatedly<std::unique_ptr<std::string>, |
| content::BackgroundTracingManager:: |
| FinishedProcessingCallback>()), |
| content::BackgroundTracingManager::ANONYMIZE_DATA); |
| } |
| } |
| |
| } // namespace android_webview |
