Add support for providing an external file for extracting content.

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 "base/files/file_path.h"
 #include "base/memory/scoped_ptr.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 "grit/components_resources.h"
 #include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/web/public/browser_state.h"
 #include "ios/web/public/web_thread.h"
+#include "ui/base/resource/resource_bundle.h"
 
 namespace {
 // A simple wrapper for DomDistillerService to expose it as a
 // KeyedService.
 class DomDistillerKeyedService
     : public KeyedService,
       public dom_distiller::DomDistillerService {
  public:
   DomDistillerKeyedService(
       scoped_ptr<dom_distiller::DomDistillerStoreInterface> store,
@@ skipping 44 matching lines @@
   scoped_ptr<leveldb_proto::ProtoDatabaseImpl<ArticleEntry>> db(
       new leveldb_proto::ProtoDatabaseImpl<ArticleEntry>(
           background_task_runner));
 
   base::FilePath database_dir(
       browser_state->GetStatePath().Append(FILE_PATH_LITERAL("Articles")));
 
   scoped_ptr<DomDistillerStore> dom_distiller_store(
       new DomDistillerStore(db.Pass(), database_dir));
 
+  const std::string distiller_js_script =
+      ResourceBundle::GetSharedInstance()
+          .GetRawDataResource(IDR_DISTILLER_JS)
+          .as_string();
   scoped_ptr<DistillerPageFactory> distiller_page_factory(
-      new DistillerPageFactoryIOS(browser_state));
+      new DistillerPageFactoryIOS(browser_state, distiller_js_script));
   scoped_ptr<DistillerURLFetcherFactory> distiller_url_fetcher_factory(
       new DistillerURLFetcherFactory(browser_state->GetRequestContext()));
 
   dom_distiller::proto::DomDistillerOptions options;
   scoped_ptr<DistillerFactory> distiller_factory(
       new DistillerFactoryImpl(distiller_url_fetcher_factory.Pass(), options));
   scoped_ptr<DistilledPagePrefs> distilled_page_prefs(new DistilledPagePrefs(
       ios::ChromeBrowserState::FromBrowserState(browser_state)->GetPrefs()));
 
   DomDistillerKeyedService* service =
       new DomDistillerKeyedService(
           dom_distiller_store.Pass(), distiller_factory.Pass(),
           distiller_page_factory.Pass(), distilled_page_prefs.Pass());
 
   return service;
 }
 
 web::BrowserState* DomDistillerServiceFactory::GetBrowserStateToUse(
     web::BrowserState* browser_state) const {
   // Makes normal profile and off-the-record profile use same service instance.
   return GetBrowserStateRedirectedInIncognito(browser_state);
 }
 
 }  // namespace dom_distiller