predictors: Mark before_first_contentful_paint for resources fetched before fcp.

chrome/browser/predictors/resource_prefetch_predictor_tables.h

 // 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.
 
 #ifndef CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TABLES_H_
 #define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TABLES_H_
 
 #include <cstddef>
 #include <map>
 #include <memory>
@@ skipping 121 matching lines @@
 
  private:
   friend class PredictorDatabaseInternal;
   FRIEND_TEST_ALL_PREFIXES(ResourcePrefetchPredictorTablesTest,
                            DatabaseVersionIsSet);
   FRIEND_TEST_ALL_PREFIXES(ResourcePrefetchPredictorTablesTest,
                            DatabaseIsResetWhenIncompatible);
 
   // Database version. Always increment it when any change is made to the data
   // schema (including the .proto).
-  static constexpr int kDatabaseVersion = 8;
+  static constexpr int kDatabaseVersion = 9;
 
   // PredictorTableBase:
   void CreateTableIfNonExistent() override;
   void LogDatabaseStats() override;
 
   static bool DropTablesIfOutdated(sql::Connection* db);
   static int GetDatabaseVersion(sql::Connection* db);
   static bool SetDatabaseVersion(sql::Connection* db, int version);
 
   std::unique_ptr<GlowplugKeyValueTable<PrefetchData>> url_resource_table_;
   std::unique_ptr<GlowplugKeyValueTable<RedirectData>> url_redirect_table_;
   std::unique_ptr<GlowplugKeyValueTable<PrefetchData>> host_resource_table_;
   std::unique_ptr<GlowplugKeyValueTable<RedirectData>> host_redirect_table_;
   std::unique_ptr<GlowplugKeyValueTable<precache::PrecacheManifest>>
       manifest_table_;
   std::unique_ptr<GlowplugKeyValueTable<OriginData>> origin_table_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourcePrefetchPredictorTables);
 };
 
 }  // namespace predictors
 
 #endif  // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TABLES_H_