diff --git chrome/browser/spellchecker/spellcheck_factory.cc chrome/browser/spellchecker/spellcheck_factory.cc
index 3857256..3d1562c 100644
--- chrome/browser/spellchecker/spellcheck_factory.cc
+++ chrome/browser/spellchecker/spellcheck_factory.cc
@@ -16,6 +16,13 @@
 #include "content/public/browser/render_process_host.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) {
@@ -38,7 +45,7 @@ SpellcheckService* SpellcheckServiceFactory::GetForRenderProcessId(
 
 // 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 e8eb9f7..48126000 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;
@@ -26,7 +26,7 @@ class SpellcheckServiceFactory : public BrowserContextKeyedServiceFactory {
   static SpellcheckServiceFactory* GetInstance();
 
  private:
-  friend struct base::DefaultSingletonTraits<SpellcheckServiceFactory>;
+  friend struct base::DefaultLazyInstanceTraits<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 173ac31..473e561 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 2907619..c7a36ea 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::DefaultLazyInstanceTraits<
       SupervisedUserSettingsServiceFactory>;
 
   SupervisedUserSettingsServiceFactory();
diff --git chrome/browser/ui/prefs/prefs_tab_helper.cc chrome/browser/ui/prefs/prefs_tab_helper.cc
index a46d449..0650084 100644
--- chrome/browser/ui/prefs/prefs_tab_helper.cc
+++ chrome/browser/ui/prefs/prefs_tab_helper.cc
@@ -11,8 +11,8 @@
 #include <string>
 
 #include "base/command_line.h"
+#include "base/lazy_instance.h"
 #include "base/macros.h"
-#include "base/memory/singleton.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ -434,12 +434,10 @@ class PrefWatcherFactory : public BrowserContextKeyedServiceFactory {
         GetInstance()->GetServiceForBrowserContext(profile, true));
   }
 
-  static PrefWatcherFactory* GetInstance() {
-    return base::Singleton<PrefWatcherFactory>::get();
-  }
+  static PrefWatcherFactory* GetInstance();
 
  private:
-  friend struct base::DefaultSingletonTraits<PrefWatcherFactory>;
+  friend struct base::DefaultLazyInstanceTraits<PrefWatcherFactory>;
 
   PrefWatcherFactory() : BrowserContextKeyedServiceFactory(
       "PrefWatcher",
@@ -460,6 +458,18 @@ class PrefWatcherFactory : public BrowserContextKeyedServiceFactory {
   }
 };
 
+namespace {
+
+base::LazyInstance<PrefWatcherFactory>::Leaky g_pref_watcher_factory =
+    LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+// static
+PrefWatcherFactory* PrefWatcherFactory::GetInstance() {
+  return g_pref_watcher_factory.Pointer();
+}
+
 // static
 PrefWatcher* PrefWatcher::Get(Profile* profile) {
   return PrefWatcherFactory::GetForProfile(profile);