Extract protobuf database into a new 'leveldb_proto' component

components/dom_distiller/standalone/content_extractor.cc

 // Copyright 2014 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 <sstream>
 
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "components/dom_distiller/content/distiller_page_web_contents.h"
+#include "components/dom_distiller/core/article_entry.h"
 #include "components/dom_distiller/core/distiller.h"
-#include "components/dom_distiller/core/dom_distiller_database.h"
 #include "components/dom_distiller/core/dom_distiller_service.h"
 #include "components/dom_distiller/core/dom_distiller_store.h"
 #include "components/dom_distiller/core/proto/distilled_article.pb.h"
 #include "components/dom_distiller/core/proto/distilled_page.pb.h"
 #include "components/dom_distiller/core/task_tracker.h"
+#include "components/leveldb_proto/proto_database.h"
+#include "components/leveldb_proto/proto_database_impl.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/shell/browser/shell.h"
 #include "google/protobuf/io/coded_stream.h"
 #include "google/protobuf/io/zero_copy_stream_impl_lite.h"
 #include "net/dns/mock_host_resolver.h"
 #include "third_party/dom_distiller_js/dom_distiller.pb.h"
 #include "ui/base/resource/resource_bundle.h"
 
@@ skipping 30 matching lines @@
 
 scoped_ptr<DomDistillerService> CreateDomDistillerService(
     content::BrowserContext* context,
     const base::FilePath& db_path) {
   scoped_refptr<base::SequencedTaskRunner> background_task_runner =
       content::BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
           content::BrowserThread::GetBlockingPool()->GetSequenceToken());
 
   // TODO(cjhopman): use an in-memory database instead of an on-disk one with
   // temporary directory.
-  scoped_ptr<DomDistillerDatabase> db(
-      new DomDistillerDatabase(background_task_runner));
+  scoped_ptr<leveldb_proto::ProtoDatabaseImpl<ArticleEntry> > db(
+      new leveldb_proto::ProtoDatabaseImpl<ArticleEntry>(
+          background_task_runner));
   scoped_ptr<DomDistillerStore> dom_distiller_store(new DomDistillerStore(
-      db.PassAs<DomDistillerDatabaseInterface>(), db_path));
+      db.PassAs<leveldb_proto::ProtoDatabase<ArticleEntry> >(), db_path));
 
   scoped_ptr<DistillerPageFactory> distiller_page_factory(
       new DistillerPageWebContentsFactory(context));
   scoped_ptr<DistillerURLFetcherFactory> distiller_url_fetcher_factory(
       new DistillerURLFetcherFactory(context->GetRequestContext()));
 
   dom_distiller::proto::DomDistillerOptions options;
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(kExtractTextOnly)) {
     options.set_extract_text_only(true);
   }
@@ skipping 227 matching lines @@
   std::string output_data_;
   scoped_ptr<google::protobuf::io::StringOutputStream> protobuf_output_stream_;
 };
 
 IN_PROC_BROWSER_TEST_F(ContentExtractor, MANUAL_ExtractUrl) {
   Start();
   base::RunLoop().Run();
 }
 
 }  // namespace dom_distiller