Add an automatic settings reset banner.

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 b443a350c36b7a7d85cbf92b795631c769aabf7f..1691e3de0c51eb048d395994a4e82d2b9b8cf15d 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -54,6 +54,7 @@
 #include "chrome/browser/pepper_flash_settings_manager.h"
 #include "chrome/browser/plugins/plugin_finder.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
+#include "chrome/browser/prefs/pref_hash_filter.h"
 #include "chrome/browser/prefs/pref_hash_store_impl.h"
 #include "chrome/browser/prefs/pref_service_syncable.h"
 #include "chrome/browser/prefs/session_startup_pref.h"
@@ -238,6 +239,7 @@ void RegisterLocalState(PrefRegistrySimple* registry) {
   MetricsLog::RegisterPrefs(registry);
   MetricsService::RegisterPrefs(registry);
   metrics::CachingPermutedEntropyProvider::RegisterPrefs(registry);
+  PrefHashFilter::RegisterPrefs(registry);

[erikwright (departed), 2014/02/06 20:04:03]

I'd consider having a single call to chrome_prefs:: and having it delegate to
these two

[robertshield, 2014/02/07 04:36:19]

Done.

   PrefHashStoreImpl::RegisterPrefs(registry);
   PrefProxyConfigTrackerImpl::RegisterPrefs(registry);
   ProfileInfoCache::RegisterPrefs(registry);