Lock screen pin keyboard ui upgrades.

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 5a7612d37d94769e514168aa7d42c986d5e09765..929b6dd2c7c7dac3eb5782c151e6084481a1ed34 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -13200,11 +13200,14 @@ Please check your email at <ph name="ACCOUNT_EMAIL">$2<ex>jane.doe@gmail.com</ex
             PIN
           </message>
           <message name="IDS_PIN_KEYBOARD_HINT_TEXT_PIN_PASSWORD" desc="Text to display in the pin field for user pod when no pin has been entered, and passwords are allowed.">
-            Enter PIN or Password
+            Pin or password
           </message>
           <message name="IDS_PIN_KEYBOARD_CLEAR" desc="Text to display text of button on pin keyboard which deletes last character.">
             Clear
           </message>
+          <message name="IDS_PIN_KEYBOARD_ERROR_MESSAGE" desc="Text to display the error message on the pin keyboard if the user has entered a wrong password or pin.">
+            Pin or password incorrect.
+          </message>
         </if>
         <message name="IDS_LOGIN_ERROR_AUTHENTICATING" desc="Couldn't sign in because password is invalid">
           Sorry, your password could not be verified. Please try again.