Implement prediction_options.

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 4210eb9d32b2fccdd2a87f295881a374a7b27810..7d25bc0993b5fa7020a9c529bd8b7035811b5466 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -39,6 +39,7 @@
 #include "chrome/browser/metrics/variations/variations_service.h"
 #include "chrome/browser/net/http_server_properties_manager.h"
 #include "chrome/browser/net/net_pref_observer.h"
+#include "chrome/browser/net/prediction_helper.h"
 #include "chrome/browser/net/predictor.h"
 #include "chrome/browser/net/pref_proxy_config_tracker_impl.h"
 #include "chrome/browser/net/ssl_config_service_manager.h"
@@ -355,6 +356,7 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   chrome_browser_net::HttpServerPropertiesManager::RegisterProfilePrefs(
       registry);
   chrome_browser_net::Predictor::RegisterProfilePrefs(registry);
+  chrome_browser_net::RegisterPredictionHelperProfilePrefs(registry);
   chrome_prefs::RegisterProfilePrefs(registry);
   DownloadPrefs::RegisterProfilePrefs(registry);
   easy_unlock::RegisterProfilePrefs(registry);