diff --git chrome/browser/spellchecker/spellcheck_factory.cc chrome/browser/spellchecker/spellcheck_factory.cc
index 64b5243d510a..8ae3001f85fc 100644
--- chrome/browser/spellchecker/spellcheck_factory.cc
+++ chrome/browser/spellchecker/spellcheck_factory.cc
@@ -17,6 +17,13 @@
 #include "services/service_manager/public/cpp/identity.h"
 #include "ui/base/l10n/l10n_util.h"
 
+namespace {
+
+static base::LazyInstance<SpellcheckServiceFactory>::Leaky
+    g_spellcheck_service_factory = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
 // static
 SpellcheckService* SpellcheckServiceFactory::GetForContext(
     content::BrowserContext* context) {
@@ -37,7 +44,7 @@ SpellcheckService* SpellcheckServiceFactory::GetForRenderer(
 
 // static
 SpellcheckServiceFactory* SpellcheckServiceFactory::GetInstance() {
-  return base::Singleton<SpellcheckServiceFactory>::get();
+  return g_spellcheck_service_factory.Pointer();
 }
 
 SpellcheckServiceFactory::SpellcheckServiceFactory()
diff --git chrome/browser/spellchecker/spellcheck_factory.h chrome/browser/spellchecker/spellcheck_factory.h
index fd4e6643725c..fcdbb8e4db88 100644
--- chrome/browser/spellchecker/spellcheck_factory.h
+++ chrome/browser/spellchecker/spellcheck_factory.h
@@ -7,7 +7,7 @@
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
-#include "base/memory/singleton.h"
+#include "base/lazy_instance.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 
 class SpellcheckService;
@@ -31,7 +31,7 @@ class SpellcheckServiceFactory : public BrowserContextKeyedServiceFactory {
   static SpellcheckServiceFactory* GetInstance();
 
  private:
-  friend struct base::DefaultSingletonTraits<SpellcheckServiceFactory>;
+  friend struct base::LazyInstanceTraitsBase<SpellcheckServiceFactory>;
 
   SpellcheckServiceFactory();
   ~SpellcheckServiceFactory() override;
diff --git chrome/browser/supervised_user/supervised_user_settings_service_factory.cc chrome/browser/supervised_user/supervised_user_settings_service_factory.cc
index 173ac3132161..473e56161cca 100644
--- chrome/browser/supervised_user/supervised_user_settings_service_factory.cc
+++ chrome/browser/supervised_user/supervised_user_settings_service_factory.cc
@@ -9,6 +9,13 @@
 #include "chrome/browser/supervised_user/supervised_user_settings_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 
+namespace {
+
+base::LazyInstance<SupervisedUserSettingsServiceFactory>::Leaky
+    g_service_factory = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
 // static
 SupervisedUserSettingsService*
 SupervisedUserSettingsServiceFactory::GetForProfile(Profile* profile) {
@@ -19,7 +26,7 @@ SupervisedUserSettingsServiceFactory::GetForProfile(Profile* profile) {
 // static
 SupervisedUserSettingsServiceFactory*
 SupervisedUserSettingsServiceFactory::GetInstance() {
-  return base::Singleton<SupervisedUserSettingsServiceFactory>::get();
+  return g_service_factory.Pointer();
 }
 
 SupervisedUserSettingsServiceFactory::SupervisedUserSettingsServiceFactory()
diff --git chrome/browser/supervised_user/supervised_user_settings_service_factory.h chrome/browser/supervised_user/supervised_user_settings_service_factory.h
index 2907619549ba..f941fba363b5 100644
--- chrome/browser/supervised_user/supervised_user_settings_service_factory.h
+++ chrome/browser/supervised_user/supervised_user_settings_service_factory.h
@@ -5,7 +5,7 @@
 #ifndef CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SETTINGS_SERVICE_FACTORY_H_
 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SETTINGS_SERVICE_FACTORY_H_
 
-#include "base/memory/singleton.h"
+#include "base/lazy_instance.h"
 #include "chrome/browser/supervised_user/supervised_users.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 
@@ -20,7 +20,7 @@ class SupervisedUserSettingsServiceFactory
   static SupervisedUserSettingsServiceFactory* GetInstance();
 
  private:
-  friend struct base::DefaultSingletonTraits<
+  friend struct base::LazyInstanceTraitsBase<
       SupervisedUserSettingsServiceFactory>;
 
   SupervisedUserSettingsServiceFactory();
diff --git chrome/browser/ui/prefs/pref_watcher.cc chrome/browser/ui/prefs/pref_watcher.cc
index e38f8c50b10f..3b486f3b8daf 100644
--- chrome/browser/ui/prefs/pref_watcher.cc
+++ chrome/browser/ui/prefs/pref_watcher.cc
@@ -46,6 +46,9 @@ const char* const kWebPrefsToObserve[] = {
 
 const int kWebPrefsToObserveLength = base::size(kWebPrefsToObserve);
 
+base::LazyInstance<PrefWatcherFactory>::Leaky g_pref_watcher_factory =
+    LAZY_INSTANCE_INITIALIZER;
+
 }  // namespace
 
 // Watching all these settings per tab is slow when a user has a lot of tabs and
@@ -124,7 +127,7 @@ PrefWatcher* PrefWatcherFactory::GetForProfile(Profile* profile) {
 
 // static
 PrefWatcherFactory* PrefWatcherFactory::GetInstance() {
-  return base::Singleton<PrefWatcherFactory>::get();
+  return g_pref_watcher_factory.Pointer();
 }
 
 PrefWatcherFactory::PrefWatcherFactory()
diff --git chrome/browser/ui/prefs/pref_watcher.h chrome/browser/ui/prefs/pref_watcher.h
index 061ca27681fa..0538f62f3f25 100644
--- chrome/browser/ui/prefs/pref_watcher.h
+++ chrome/browser/ui/prefs/pref_watcher.h
@@ -5,7 +5,7 @@
 #ifndef CHROME_BROWSER_UI_PREFS_PREF_WATCHER_H_
 #define CHROME_BROWSER_UI_PREFS_PREF_WATCHER_H_
 
-#include "base/memory/singleton.h"
+#include "base/lazy_instance.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/prefs/pref_change_registrar.h"
@@ -58,7 +58,7 @@ class PrefWatcherFactory : public BrowserContextKeyedServiceFactory {
   static PrefWatcherFactory* GetInstance();
 
  private:
-  friend struct base::DefaultSingletonTraits<PrefWatcherFactory>;
+  friend struct base::LazyInstanceTraitsBase<PrefWatcherFactory>;
 
   PrefWatcherFactory();
   ~PrefWatcherFactory() override;