| // Copyright 2023 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_CHILD_CHILD_PROCESS_SYNTHETIC_TRIAL_SYNCER_H_ |
| #define CONTENT_CHILD_CHILD_PROCESS_SYNTHETIC_TRIAL_SYNCER_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "components/variations/synthetic_trials.h" |
| #include "content/common/content_export.h" |
| #include "content/common/synthetic_trial_configuration.mojom.h" |
| #include "mojo/public/cpp/bindings/binder_map.h" |
| #include "mojo/public/cpp/bindings/receiver.h" |
| |
| namespace content { |
| |
| // This class works in child processes and receives synthetic trial groups |
| // from SyntheticTrialSyncer running in the browser process via mojo. |
| // |
| // When receiving any message from SyntheticTrialSyncer, this class updates |
| // synthetic trial groups and updates crash keys with synthetic trials. |
| // This makes crash dumps from non-browser processes have synthetic trial |
| // information. |
| class CONTENT_EXPORT ChildProcessSyntheticTrialSyncer |
| : public mojom::SyntheticTrialConfiguration { |
| public: |
| static void Create( |
| mojo::PendingReceiver<mojom::SyntheticTrialConfiguration> receiver); |
| |
| ChildProcessSyntheticTrialSyncer(); |
| ~ChildProcessSyntheticTrialSyncer() override; |
| |
| ChildProcessSyntheticTrialSyncer(const ChildProcessSyntheticTrialSyncer&) = |
| delete; |
| ChildProcessSyntheticTrialSyncer& operator=( |
| const ChildProcessSyntheticTrialSyncer&) = delete; |
| ChildProcessSyntheticTrialSyncer(ChildProcessSyntheticTrialSyncer&&) = delete; |
| |
| private: |
| friend class ChildProcessSyntheticTrialSyncerTest; |
| |
| static std::unique_ptr<ChildProcessSyntheticTrialSyncer> |
| CreateInstanceForTesting(); |
| |
| // mojom::SyntheticTrialConfiguration: |
| void AddOrUpdateSyntheticTrialGroups( |
| std::vector<mojom::SyntheticTrialGroupPtr> trial_groups) override; |
| void RemoveSyntheticTrialGroups( |
| std::vector<mojom::SyntheticTrialGroupPtr> trial_groups) override; |
| |
| void AddOrUpdateTrialGroupInternal(const std::string& trial_name, |
| const std::string& group_name); |
| |
| std::vector<variations::SyntheticTrialGroup> trials_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_CHILD_CHILD_PROCESS_SYNTHETIC_TRIAL_SYNCER_H_ |