| // Copyright 2012 The Chromium Authors | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #ifndef CHROME_BROWSER_CHROME_BROWSER_FIELD_TRIALS_H_ | 
 | #define CHROME_BROWSER_CHROME_BROWSER_FIELD_TRIALS_H_ | 
 |  | 
 | #include "base/memory/raw_ptr.h" | 
 | #include "components/variations/platform_field_trials.h" | 
 |  | 
 | #if BUILDFLAG(IS_ANDROID) | 
 | #include "components/variations/variations_associated_data.h" | 
 | #endif | 
 |  | 
 | class PrefService; | 
 |  | 
 | namespace base { | 
 | class FeatureList; | 
 | } | 
 |  | 
 | class ChromeBrowserFieldTrials : public variations::PlatformFieldTrials { | 
 |  public: | 
 |   explicit ChromeBrowserFieldTrials(PrefService* local_state); | 
 |  | 
 |   ChromeBrowserFieldTrials(const ChromeBrowserFieldTrials&) = delete; | 
 |   ChromeBrowserFieldTrials& operator=(const ChromeBrowserFieldTrials&) = delete; | 
 |  | 
 |   ~ChromeBrowserFieldTrials() override; | 
 |  | 
 |   // variations::PlatformFieldTrials: | 
 |   void SetUpClientSideFieldTrials( | 
 |       bool has_seed, | 
 |       const variations::EntropyProviders& entropy_providers, | 
 |       base::FeatureList* feature_list) override; | 
 |   void RegisterSyntheticTrials() override; | 
 |   void RegisterFeatureOverrides(base::FeatureList* feature_list) override; | 
 |  | 
 |  private: | 
 |   // Weak pointer to the local state prefs store. | 
 |   const raw_ptr<PrefService, AcrossTasksDanglingUntriaged> local_state_; | 
 | }; | 
 |  | 
 | #endif  // CHROME_BROWSER_CHROME_BROWSER_FIELD_TRIALS_H_ |