[TTS] Write initial Tap-features to Ranker.

components/ukm/ukm_service.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_UKM_UKM_SERVICE_H_
 #define COMPONENTS_UKM_UKM_SERVICE_H_
 
 #include <stddef.h>
 #include <memory>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/feature_list.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "build/build_config.h"
 #include "components/metrics/metrics_provider.h"
 #include "components/metrics/metrics_rotation_scheduler.h"
 #include "components/ukm/ukm_reporting_service.h"
 #include "url/gurl.h"
 
+class ContextualSearchRankerLoggerImpl;
 class PluginInfoMessageFilter;
 class PrefRegistrySimple;
 class PrefService;
 class UkmPageLoadMetricsObserver;
 
 namespace autofill {
 class AutofillMetrics;
 }  // namespace autofill
 
 namespace translate {
@@ skipping 79 matching lines @@
     return sources_;
   }
 
   const std::vector<std::unique_ptr<UkmEntry>>& entries_for_testing() const {
     return entries_;
   }
 
  private:
   friend autofill::AutofillMetrics;
   friend payments::JourneyLogger;
+  friend ContextualSearchRankerLoggerImpl;
   friend PluginInfoMessageFilter;
   friend UkmPageLoadMetricsObserver;
   friend translate::TranslateRankerImpl;
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest, AddEntryWithEmptyMetrics);
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest, EntryBuilderAndSerialization);
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest,
                            LogsUploadedOnlyWhenHavingSourcesOrEntries);
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest, MetricsProviderTest);
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest, PersistAndPurge);
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest, WhitelistEntryTest);
@@ skipping 74 matching lines @@
   // Weak pointers factory used to post task on different threads. All weak
   // pointers managed by this factory have the same lifetime as UkmService.
   base::WeakPtrFactory<UkmService> self_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UkmService);
 };
 
 }  // namespace ukm
 
 #endif  // COMPONENTS_UKM_UKM_SERVICE_H_