Added strings of i18n and made the pin-keyboard work for rtl lang.

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 88148927a9b0c86bc2cbf034daed119cc44d097e..78411fd6ad54e3b2c555fc67afcbeff2dfc39a34 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -13184,6 +13184,12 @@ Please check your email at <ph name="ACCOUNT_EMAIL">$2<ex>jane.doe@gmail.com</ex
         <message name="IDS_LOGIN_POD_EMPTY_PASSWORD_TEXT" desc="Text to display in the password field for user pod when no password has been entered.">
           Password
         </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.">
+          Enter 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_LOGIN_POD_SIGNING_IN" desc="Text to display at the bottom of a user pod during signing in the user. The translation should be as short as possible because of limited UI space.">
           Signing in
         </message>