Added the reset prompt memento as a tracked preference.

chrome/browser/prefs/pref_metrics_service.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/prefs/pref_metrics_service.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/metrics/histogram.h"
@@ skipping 49 matching lines @@
   prefs::kSearchProviderOverrides,
   prefs::kDefaultSearchProviderSearchURL,
   prefs::kDefaultSearchProviderKeyword,
   prefs::kDefaultSearchProviderName,
 #if !defined(OS_ANDROID)
   prefs::kPinnedTabs,
 #else
   kUnregisteredPreference,
 #endif
   prefs::kExtensionKnownDisabled,
+  prefs::kProfileResetPromptMemento,
 };
 
 const size_t kSHA256DigestSize = 32;
 
 }  // namespace
 
 PrefMetricsService::PrefMetricsService(Profile* profile)
     : profile_(profile),
       prefs_(profile_->GetPrefs()),
       local_state_(g_browser_process->local_state()),
@@ skipping 374 matching lines @@
 }
 
 bool PrefMetricsService::Factory::ServiceIsNULLWhileTesting() const {
   return false;
 }
 
 content::BrowserContext* PrefMetricsService::Factory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }