Support IPH NotifyEvent calls before Initialize

components/feature_engagement_tracker/internal/feature_engagement_tracker_impl.h

 // 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.
 
 #ifndef COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_FEATURE_ENGAGEMENT_TRACKER_IMPL_H_
 #define COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_FEATURE_ENGAGEMENT_TRACKER_IMPL_H_
 
 #include <string>
 #include <vector>
 
 #include "base/feature_list.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/supports_user_data.h"
 #include "components/feature_engagement_tracker/public/feature_engagement_tracker.h"
 
 namespace feature_engagement_tracker {
 class Configuration;
 class ConditionValidator;
 class Model;
-class Store;
-class StorageValidator;
 class TimeProvider;
 
 // The internal implementation of the FeatureEngagementTracker.
 class FeatureEngagementTrackerImpl : public FeatureEngagementTracker,
                                      public base::SupportsUserData {
  public:
   FeatureEngagementTrackerImpl(
-      std::unique_ptr<Store> store,
+      std::unique_ptr<Model> store,
       std::unique_ptr<Configuration> configuration,
       std::unique_ptr<ConditionValidator> condition_validator,
-      std::unique_ptr<StorageValidator> storage_validator,
       std::unique_ptr<TimeProvider> time_provider);
   ~FeatureEngagementTrackerImpl() override;
 
   // FeatureEngagementTracker implementation.
   void NotifyEvent(const std::string& event) override;
   bool ShouldTriggerHelpUI(const base::Feature& feature) override;
   void Dismissed(const base::Feature& feature) override;
   bool IsInitialized() override;
   void AddOnInitializedCallback(OnInitializedCallback callback) override;
 
@@ skipping 22 matching lines @@
   std::vector<OnInitializedCallback> on_initialized_callbacks_;
 
   base::WeakPtrFactory<FeatureEngagementTrackerImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FeatureEngagementTrackerImpl);
 };
 
 }  // namespace feature_engagement_tracker
 
 #endif  // COMPONENTS_FEATURE_ENGAGEMENT_TRACKER_INTERNAL_FEATURE_ENGAGEMENT_TRACKER_IMPL_H_