[EasyUnlock] Force user to enter their password after 20 hours.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 54fcec8347c3ffc4e2d26041ea86a6879c95d633..abe7d2bf6309a9139f9256bfee80959b8dfabb6f 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -11712,6 +11712,9 @@ Please check your email at <ph name="ACCOUNT_EMAIL">$2<ex>jane.doe@gmail.com</ex
       <message name="IDS_EASY_UNLOCK_SCREENLOCK_TOOLTIP_HARDLOCK_INSTRUCTIONS" desc="Tooltip for an icon on user's lock screen pod shown by Easy Unlock when a phone eligible to unlock the Chromebook is detected and authenticated. The tooltip shows instructions for hard-locking the Chromebook.">
         If you click this icon, you will manually lock this <ph name="DEVICE_TYPE">$1<ex>Chromebook</ex></ph>. Next time, you’ll need to type your password to enter.
       </message>
+      <message name="IDS_EASY_UNLOCK_SCREENLOCK_TOOLTIP_PASSWORD_REAUTH" desc="Tooltip for an icon on user's lock screen pod shown by EasyUnlock when the user must enter their password instead of using EasyUnlock, because too much time has passed since their last password entry.">
+        Smart Lock requires you to type your password at least once every 20 hours.
+      </message>
       <message name="IDS_EASY_UNLOCK_SCREENLOCK_TOOLTIP_UNSUPPORTED_ANDROID_VERSION" desc="Tooltip for the icon on user's lock screen pod shown by Easy Unlock when a phone set up to unlock the Chromebook is detected, but has an unsupported Android version. The user is asked to update the phone.">
         Please update your phone to a newer version of Android to unlock this <ph name="DEVICE_TYPE">$1<ex>Chromebook</ex></ph>.
       </message>