Measure usage metrics to prepare for adaptive fetching rates in M55

chrome/browser/ntp_snippets/content_suggestions_service_factory.cc

 // Copyright 2016 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 "chrome/browser/ntp_snippets/content_suggestions_service_factory.h"
 
 #include "base/feature_list.h"
 #include "base/files/file_path.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
@@ skipping 193 matching lines @@
   Profile* profile = Profile::FromBrowserContext(context);
   DCHECK(!profile->IsOffTheRecord());
 
   // Create the ContentSuggestionsService.
   State state =
       base::FeatureList::IsEnabled(ntp_snippets::kContentSuggestionsFeature)
           ? State::ENABLED
           : State::DISABLED;
   HistoryService* history_service = HistoryServiceFactory::GetForProfile(
       profile, ServiceAccessType::EXPLICIT_ACCESS);
+  PrefService* pref_service = profile->GetPrefs();
   ContentSuggestionsService* service =
-      new ContentSuggestionsService(state, history_service);
+      new ContentSuggestionsService(state, history_service, pref_service);
   if (state == State::DISABLED) {
     // Since we won't initialise the services, they won't get a chance to
     // unschedule their tasks. We do it explicitly here instead.
     ClearScheduledTasks();
     return service;
   }
 
   CategoryFactory* category_factory = service->category_factory();
-  PrefService* pref_service = profile->GetPrefs();
 #if defined(OS_ANDROID)
   OfflinePageModel* offline_page_model =
       OfflinePageModelFactory::GetForBrowserContext(profile);
 #endif  // OS_ANDROID
   BookmarkModel* bookmark_model =
       BookmarkModelFactory::GetForBrowserContext(profile);
   SigninManagerBase* signin_manager =
       SigninManagerFactory::GetForProfile(profile);
   OAuth2TokenService* token_service =
       ProfileOAuth2TokenServiceFactory::GetForProfile(profile);
@@ skipping 25 matching lines @@
   }
 #endif  // OS_ANDROID
 
   if (base::FeatureList::IsEnabled(ntp_snippets::kArticleSuggestionsFeature)) {
     RegisterArticleProvider(signin_manager, token_service, suggestions_service,
                             service, category_factory, pref_service, profile);
   }
 
   return service;
 }