predictors: Introduce GlowplugPredictor.

chrome/browser/predictors/predictor_database.cc

Index: chrome/browser/predictors/predictor_database.cc
diff --git a/chrome/browser/predictors/predictor_database.cc b/chrome/browser/predictors/predictor_database.cc
index ebc515ff5521ef78ec8adaa124ed88f3677314c7..d59caa2954299a6b6c0f8052f50c487ef9d9361e 100644
--- a/chrome/browser/predictors/predictor_database.cc
+++ b/chrome/browser/predictors/predictor_database.cc
@@ -7,12 +7,15 @@
 #include <stdint.h>
 #include <memory>
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "chrome/browser/predictors/autocomplete_action_predictor_table.h"
+#include "chrome/browser/predictors/glowplug_config.h"
 #include "chrome/browser/predictors/resource_prefetch_predictor.h"
 #include "chrome/browser/predictors/resource_prefetch_predictor_tables.h"
 #include "chrome/browser/profiles/profile.h"
@@ -74,9 +77,8 @@ PredictorDatabaseInternal::PredictorDatabaseInternal(Profile* profile)
   // This db does not use [meta] table, store mmap status data elsewhere.
   db_->set_mmap_alt_status();
 
-  ResourcePrefetchPredictorConfig config;
   is_resource_prefetch_predictor_enabled_ =
-      IsSpeculativeResourcePrefetchingEnabled(profile, &config);
+      IsSpeculativeResourcePrefetchingEnabled(profile, nullptr);
 }
 
 PredictorDatabaseInternal::~PredictorDatabaseInternal() {