Initialize DomDistillerStore

Needed as part of setting up the DomDistillerBrowserContextKeyedService.
Distilled articles will be stored in an "Articles" directory in the
user's profile directory.
BUG=288015

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=235562

NOTRY=true

Review URL: https://codereview.chromium.org/63553009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235799 0039d316-1c4b-4281-b951-d872f2087c98

components/dom_distiller/content/dom_distiller_service_factory.cc

@@ -4,11 +4,13 @@
 
 #include "components/dom_distiller/content/dom_distiller_service_factory.h"
 
+#include "base/threading/sequenced_worker_pool.h"
 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
 #include "components/dom_distiller/content/distiller_page_web_contents.h"
 #include "components/dom_distiller/core/distiller.h"
 #include "components/dom_distiller/core/dom_distiller_store.h"
 #include "content/public/browser/browser_context.h"
+#include "content/public/browser/browser_thread.h"
 
 namespace dom_distiller {
 
@@ -39,15 +41,32 @@ DomDistillerServiceFactory::~DomDistillerServiceFactory() {}
 
 BrowserContextKeyedService* DomDistillerServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* profile) const {
-  scoped_ptr<DomDistillerStoreInterface> dom_distiller_store;
+
+  scoped_refptr<base::SequencedTaskRunner> background_task_runner =
+          content::BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
+              content::BrowserThread::GetBlockingPool()->GetSequenceToken());
+
+  scoped_ptr<DomDistillerDatabase> db(
+      new DomDistillerDatabase(background_task_runner));
+
+  base::FilePath database_dir(
+      profile->GetPath().Append(FILE_PATH_LITERAL("Articles")));
+
+  scoped_ptr<DomDistillerStore> dom_distiller_store(
+      new DomDistillerStore(db.PassAs<DomDistillerDatabaseInterface>(),
+                            database_dir));
+
   scoped_ptr<DistillerPageFactory> distiller_page_factory(
       new DistillerPageWebContentsFactory(profile));
   scoped_ptr<DistillerURLFetcherFactory> distiller_url_fetcher_factory(
       new DistillerURLFetcherFactory(profile->GetRequestContext()));
-  scoped_ptr<DistillerFactory> distiller_factory(new DistillerFactoryImpl(
-      distiller_page_factory.Pass(), distiller_url_fetcher_factory.Pass()));
-  return new DomDistillerContextKeyedService(dom_distiller_store.Pass(),
-                                             distiller_factory.Pass());
+  scoped_ptr<DistillerFactory> distiller_factory(
+      new DistillerFactoryImpl(distiller_page_factory.Pass(),
+                               distiller_url_fetcher_factory.Pass()));
+  return new DomDistillerContextKeyedService(
+      dom_distiller_store.PassAs<DomDistillerStoreInterface>(),
+            distiller_factory.Pass());
+
 }
 
 content::BrowserContext* DomDistillerServiceFactory::GetBrowserContextToUse(

components/dom_distiller/core/dom_distiller_store.h

@@ -65,7 +65,7 @@ class DomDistillerStoreInterface {
 // to the other (i.e. non-source) two models.
 // TODO(cjhopman): Support deleting entries.
 class DomDistillerStore : public syncer::SyncableService,
-                          DomDistillerStoreInterface {
+                          public DomDistillerStoreInterface {
  public:
   // Creates storage using the given database for local storage. Initializes the
   // database with |database_dir|.