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 106 matching lines @@
   enum class TableOperationType { INSERT, REMOVE };
 
   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 = 6;
+  static constexpr int kDatabaseVersion = 8;

[alexilin, 2017/03/27 15:32:00]

nit:
Why 8 after 6? :)

[trevordixon, 2017/03/28 11:10:41]

Forgot I already updated that!

 
   // Helper functions below help perform functions on the Url and host table
   // using the same code.
   void GetAllResourceDataHelper(PrefetchKeyType key_type,
                                 PrefetchDataMap* data_map);
   void GetAllRedirectDataHelper(PrefetchKeyType key_type,
                                 RedirectDataMap* redirect_map);
   void GetAllManifestDataHelper(ManifestDataMap* manifest_map);
 
   bool UpdateDataHelper(PrefetchKeyType key_type,
@@ skipping 20 matching lines @@
 
   static const char* GetTableName(PrefetchKeyType key_type,
                                   PrefetchDataType data_type);
 
   DISALLOW_COPY_AND_ASSIGN(ResourcePrefetchPredictorTables);
 };
 
 }  // namespace predictors
 
 #endif  // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TABLES_H_