Eliminate all code related to the AutomaticProfileResetter.

chrome/browser/prefs/chrome_pref_service_factory.cc

Index: chrome/browser/prefs/chrome_pref_service_factory.cc
diff --git a/chrome/browser/prefs/chrome_pref_service_factory.cc b/chrome/browser/prefs/chrome_pref_service_factory.cc
index c4bc31475bccb465d3b194a27afb0b735487749b..cb8eafd650d79b54ae78a735f2e2259ade4bf1bd 100644
--- a/chrome/browser/prefs/chrome_pref_service_factory.cc
+++ b/chrome/browser/prefs/chrome_pref_service_factory.cc
@@ -161,11 +161,6 @@ const PrefHashFilter::TrackedPreferenceMetadata kTrackedPrefs[] = {
   },
 #endif
   {
-    13, prefs::kProfileResetPromptMemento,
-    PrefHashFilter::ENFORCE_ON_LOAD,
-    PrefHashFilter::TRACKING_STRATEGY_ATOMIC
-  },

[gab, 2014/07/30 16:59:25]

Leave this pref here as NO_ENFORCEMENT (see kKnownDisabled above).

Otherwise the old value will live in "Secure Preferences" yet
SegregatedPrefStore will try to clear it from "Preferences" (as it will not be
known as a protected preference).

I should really fix this so that SegregatedPrefStore::RemoveValue affects both
underlying stores rather than the selected store (like Get/Set do), but I need
to think about it some more, for now leaving the pref here as NO_ENFORCEMENT
with a "deprecated" comment will achieve what you want.

[engedy, 2014/07/30 18:29:48]

Done. Thanks!

-  {
     14, DefaultSearchManager::kDefaultSearchProviderDataPrefName,
     PrefHashFilter::NO_ENFORCEMENT,
     PrefHashFilter::TRACKING_STRATEGY_ATOMIC