blob: bb010fee9a60f807eea0e15039996324e4ed462c [file] [log] [blame]
// 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.
#include "base/metrics/field_trial.h"
namespace variations {
// Infrastructure for setting up platform specific field trials. Chrome and
// WebView make use through their corresponding subclasses.
class PlatformFieldTrials {
PlatformFieldTrials() = default;
virtual ~PlatformFieldTrials() = default;
// Set up field trials for a specific platform.
virtual void SetupFieldTrials() = 0;
// Create field trials that will control feature list features. This should be
// called during the same timing window as
// FeatureList::AssociateReportingFieldTrial. |has_seed| indicates that the
// variations service used a seed to create field trials. This can be used to
// prevent associating a field trial with a feature that you expect to be
// controlled by the variations seed.
virtual void SetupFeatureControllingFieldTrials(
bool has_seed,
base::FeatureList* feature_list) = 0;
// Register any synthetic field trials. Will be called later than the above
// methods, in particular after g_browser_process is available..
virtual void RegisterSyntheticTrials() {}
} // namespace variations