Enable the PIN keyboard on the lockscreen.

chrome/browser/chromeos/login/quick_unlock/pin_storage_factory.h

Index: chrome/browser/chromeos/login/quick_unlock/pin_storage_factory.h
diff --git a/chrome/browser/chromeos/login/quick_unlock/pin_storage_factory.h b/chrome/browser/chromeos/login/quick_unlock/pin_storage_factory.h
index 61814a126fb0da38ea776f2e06b5c567101ac149..505d6a6b74e61d034524561a0333299ffa7b1173 100644
--- a/chrome/browser/chromeos/login/quick_unlock/pin_storage_factory.h
+++ b/chrome/browser/chromeos/login/quick_unlock/pin_storage_factory.h
@@ -7,9 +7,14 @@
 
 #include "base/memory/singleton.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+#include "components/signin/core/account_id/account_id.h"
 
 class Profile;
 
+namespace user_manager {
+class User;
+}
+
 namespace chromeos {
 
 class PinStorage;
@@ -22,6 +27,14 @@ class PinStorageFactory : public BrowserContextKeyedServiceFactory {
   // Returns the PinStorage instance for |profile|.
   static PinStorage* GetForProfile(Profile* profile);
 
+  // Helper method that finds the PinStorage instance for |user|. This returns
+  // GetForProfile with the profile associated with |user|.
+  static PinStorage* GetForUser(const user_manager::User* user);
+
+  // Helper method that returns the PinStorage instance for |account_id|. This
+  // returns GetForProfile with the profile associated with |account_id|.
+  static PinStorage* GetForAccountId(const AccountId& account_id);
+
   static PinStorageFactory* GetInstance();
 
  private: