Save favicon during reading list distillation

ios/chrome/browser/dom_distiller/dom_distiller_service_factory.cc

-// Copyright 2015 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 "ios/chrome/browser/dom_distiller/dom_distiller_service_factory.h"
-
-#include <utility>
-
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/memory/singleton.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "components/dom_distiller/core/article_entry.h"
-#include "components/dom_distiller/core/distiller.h"
-#include "components/dom_distiller/core/dom_distiller_service.h"
-#include "components/dom_distiller/core/dom_distiller_store.h"
-#include "components/dom_distiller/ios/distiller_page_factory_ios.h"
-#include "components/keyed_service/core/keyed_service.h"
-#include "components/keyed_service/ios/browser_state_dependency_manager.h"
-#include "components/leveldb_proto/proto_database.h"
-#include "components/leveldb_proto/proto_database_impl.h"
-#include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
-#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
-#include "ios/web/public/browser_state.h"
-#include "ios/web/public/web_thread.h"
-
-namespace {
-// A simple wrapper for DomDistillerService to expose it as a
-// KeyedService.
-class DomDistillerKeyedService
-    : public KeyedService,
-      public dom_distiller::DomDistillerService {
- public:
-  DomDistillerKeyedService(
-      std::unique_ptr<dom_distiller::DomDistillerStoreInterface> store,
-      std::unique_ptr<dom_distiller::DistillerFactory> distiller_factory,
-      std::unique_ptr<dom_distiller::DistillerPageFactory>
-          distiller_page_factory,
-      std::unique_ptr<dom_distiller::DistilledPagePrefs> distilled_page_prefs)
-      : DomDistillerService(std::move(store),
-                            std::move(distiller_factory),
-                            std::move(distiller_page_factory),
-                            std::move(distilled_page_prefs)) {}
-
-  ~DomDistillerKeyedService() override {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DomDistillerKeyedService);
-};
-}  // namespace
-
-namespace dom_distiller {
-
-// static
-DomDistillerServiceFactory* DomDistillerServiceFactory::GetInstance() {
-  return base::Singleton<DomDistillerServiceFactory>::get();
-}
-
-// static
-DomDistillerService* DomDistillerServiceFactory::GetForBrowserState(
-    ios::ChromeBrowserState* browser_state) {
-  return static_cast<DomDistillerKeyedService*>(
-      GetInstance()->GetServiceForBrowserState(browser_state, true));
-}
-
-DomDistillerServiceFactory::DomDistillerServiceFactory()
-    : BrowserStateKeyedServiceFactory(
-          "DomDistillerService",
-          BrowserStateDependencyManager::GetInstance()) {
-}
-
-DomDistillerServiceFactory::~DomDistillerServiceFactory() {
-}
-
-std::unique_ptr<KeyedService>
-DomDistillerServiceFactory::BuildServiceInstanceFor(
-    web::BrowserState* context) const {
-  scoped_refptr<base::SequencedTaskRunner> background_task_runner =
-      web::WebThread::GetBlockingPool()->GetSequencedTaskRunner(
-          web::WebThread::GetBlockingPool()->GetSequenceToken());
-
-  std::unique_ptr<leveldb_proto::ProtoDatabaseImpl<ArticleEntry>> db(
-      new leveldb_proto::ProtoDatabaseImpl<ArticleEntry>(
-          background_task_runner));
-
-  base::FilePath database_dir(
-      context->GetStatePath().Append(FILE_PATH_LITERAL("Articles")));
-
-  std::unique_ptr<DomDistillerStore> dom_distiller_store(
-      new DomDistillerStore(std::move(db), database_dir));
-
-  std::unique_ptr<DistillerPageFactory> distiller_page_factory(
-      new DistillerPageFactoryIOS(context));
-  std::unique_ptr<DistillerURLFetcherFactory> distiller_url_fetcher_factory(
-      new DistillerURLFetcherFactory(context->GetRequestContext()));
-
-  dom_distiller::proto::DomDistillerOptions options;
-  std::unique_ptr<DistillerFactory> distiller_factory(new DistillerFactoryImpl(
-      std::move(distiller_url_fetcher_factory), options));
-  std::unique_ptr<DistilledPagePrefs> distilled_page_prefs(
-      new DistilledPagePrefs(
-          ios::ChromeBrowserState::FromBrowserState(context)->GetPrefs()));
-
-  return base::MakeUnique<DomDistillerKeyedService>(
-      std::move(dom_distiller_store), std::move(distiller_factory),
-      std::move(distiller_page_factory), std::move(distilled_page_prefs));
-}
-
-web::BrowserState* DomDistillerServiceFactory::GetBrowserStateToUse(
-    web::BrowserState* context) const {
-  // Makes normal profile and off-the-record profile use same service instance.
-  return GetBrowserStateRedirectedInIncognito(context);
-}
-
-}  // namespace dom_distiller