[NTP Snippets] Refactor background scheduling for remote suggestions

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 <utility>
 
 #include "base/feature_list.h"
 #include "base/files/file_path.h"
@@ skipping 16 matching lines @@
 #include "components/image_fetcher/image_fetcher.h"
 #include "components/image_fetcher/image_fetcher_impl.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/keyed_service/core/service_access_type.h"
 #include "components/ntp_snippets/bookmarks/bookmark_suggestions_provider.h"
 #include "components/ntp_snippets/category_factory.h"
 #include "components/ntp_snippets/content_suggestions_service.h"
 #include "components/ntp_snippets/features.h"
 #include "components/ntp_snippets/ntp_snippets_constants.h"
 #include "components/ntp_snippets/remote/ntp_snippets_fetcher.h"
-#include "components/ntp_snippets/remote/ntp_snippets_scheduler.h"
 #include "components/ntp_snippets/remote/remote_suggestions_database.h"
+#include "components/ntp_snippets/remote/remote_suggestions_hard_scheduler.h"
 #include "components/ntp_snippets/remote/remote_suggestions_provider.h"
 #include "components/ntp_snippets/remote/remote_suggestions_status_service.h"
 #include "components/ntp_snippets/sessions/foreign_sessions_suggestions_provider.h"
 #include "components/ntp_snippets/sessions/tab_delegate_sync_adapter.h"
 #include "components/prefs/pref_service.h"
 #include "components/safe_json/safe_json_parser.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/translate/core/browser/language_model.h"
 #include "components/version_info/version_info.h"
@@ skipping 23 matching lines @@
 
 using bookmarks::BookmarkModel;
 using content::BrowserThread;
 using history::HistoryService;
 using image_fetcher::ImageFetcherImpl;
 using ntp_snippets::BookmarkSuggestionsProvider;
 using ntp_snippets::CategoryFactory;
 using ntp_snippets::ContentSuggestionsService;
 using ntp_snippets::ForeignSessionsSuggestionsProvider;
 using ntp_snippets::NTPSnippetsFetcher;
-using ntp_snippets::NTPSnippetsScheduler;
 using ntp_snippets::RemoteSuggestionsDatabase;
+using ntp_snippets::RemoteSuggestionsHardScheduler;
 using ntp_snippets::RemoteSuggestionsProvider;
 using ntp_snippets::RemoteSuggestionsStatusService;
 using ntp_snippets::TabDelegateSyncAdapter;
 using suggestions::ImageDecoderImpl;
 using syncer::SyncService;
 using translate::LanguageModel;
 
 namespace {
 
 // Clear the tasks that can be scheduled by running services.
@@ skipping 51 matching lines @@
                              OAuth2TokenService* token_service,
                              ContentSuggestionsService* service,
                              CategoryFactory* category_factory,
                              LanguageModel* language_model,
                              PrefService* pref_service,
                              Profile* profile) {
   scoped_refptr<net::URLRequestContextGetter> request_context =
       content::BrowserContext::GetDefaultStoragePartition(profile)
           ->GetURLRequestContext();
 
-  NTPSnippetsScheduler* scheduler = nullptr;
+  RemoteSuggestionsHardScheduler* scheduler = nullptr;
 #if defined(OS_ANDROID)
   scheduler = NTPSnippetsLauncher::Get();
 #endif  // OS_ANDROID
   base::FilePath database_dir(
       profile->GetPath().Append(ntp_snippets::kDatabaseFolder));
   scoped_refptr<base::SequencedTaskRunner> task_runner =
       BrowserThread::GetBlockingPool()
           ->GetSequencedTaskRunnerWithShutdownBehavior(
               base::SequencedWorkerPool::GetSequenceToken(),
               base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
   bool is_stable_channel =
       chrome::GetChannel() == version_info::Channel::STABLE;
   auto provider = base::MakeUnique<RemoteSuggestionsProvider>(
       service, service->category_factory(), pref_service,
       g_browser_process->GetApplicationLocale(), service->user_classifier(),
       scheduler, base::MakeUnique<NTPSnippetsFetcher>(
                      signin_manager, token_service, request_context,
                      pref_service, category_factory, language_model,
                      base::Bind(&safe_json::SafeJsonParser::Parse),
                      is_stable_channel ? google_apis::GetAPIKey()
                                        : google_apis::GetNonStableAPIKey(),
                      service->user_classifier()),
       base::MakeUnique<ImageFetcherImpl>(base::MakeUnique<ImageDecoderImpl>(),
                                          request_context.get()),
       base::MakeUnique<ImageDecoderImpl>(),
       base::MakeUnique<RemoteSuggestionsDatabase>(database_dir, task_runner),
       base::MakeUnique<RemoteSuggestionsStatusService>(signin_manager,
                                                        pref_service));
-  service->set_ntp_snippets_service(provider.get());
+  service->set_remote_suggestions_provider(provider.get());
   service->RegisterProvider(std::move(provider));
 }
 
 void RegisterForeignSessionsProvider(SyncService* sync_service,
                                      ContentSuggestionsService* service,
                                      CategoryFactory* category_factory,
                                      PrefService* pref_service) {
   std::unique_ptr<TabDelegateSyncAdapter> sync_adapter =
       base::MakeUnique<TabDelegateSyncAdapter>(sync_service);
   auto provider = base::MakeUnique<ForeignSessionsSuggestionsProvider>(
@@ skipping 123 matching lines @@
   }
 
   if (base::FeatureList::IsEnabled(
           ntp_snippets::kForeignSessionsSuggestionsFeature)) {
     RegisterForeignSessionsProvider(sync_service, service, category_factory,
                                     pref_service);
   }
 
   return service;
 }