ChromeOS MD-OOBE: Add Timezone Selection screen.

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Chrome OS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <!-- Idle logout dialog for retail mode -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog. Used in retail mode only.">
     Are you still there?
   </message>
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   </message>
   <message name="IDS_OOBE_CLOSE_ACCESSIBILITY_MENU" desc="Text to be spoken when focus is set to the close button of accessibility options menu.">
     Close accessibility menu
   </message>
   <message name="IDS_OOBE_OTHER_LANGUAGES" desc="Option group name dividing vendor-configured languages from other available languages in out-of-box 'Select language' select control.">
     Other languages
   </message>
   <message name="IDS_OOBE_OTHER_KEYBOARD_LAYOUTS" desc="Option group name dividing vendor-configured keyboard layouts from other available layouts in out-of-box 'Select your keyboard' select control.">
     Other keyboards
   </message>
+  <message name="IDS_TIMEZONE_BUTTON_TEXT" desc="Label on a button that opens timezone selection screen" meaning="Label on a button that opens timezone selection screen during initial device configuration">
+    Timezone
+  </message>
+  <message name="IDS_TIMEZONE_SECTION_TITLE" desc="Title of timezone selection screen" meaning="A title of the dialog where user should select device timezone during initial device configuration">
+    Select timezone
+  </message>
+  <message name="IDS_TIMEZONE_DROPDOWN_TITLE" desc="Title of timezone selection dropdown menu" meaning="Small title near timezone dropdown menu suggesting that this is a timezone selector.">
+    Timezone
+  </message>
   <message name="IDS_OOBE_EULA_SECTION_TITLE" desc="Title of Terms of Service screen">
     Google Chrome OS Terms
   </message>
   <message name="IDS_OOBE_EULA_ACCEPT_AND_CONTINUE_BUTTON_TEXT" desc="Label on a button on the Title of Terms of Service OOBE screen to accept EULA and continue.">
     Accept and continue
   </message>
   <message name="IDS_LOGIN_TITLE" desc="Title of sign-in box">
     Sign in
   </message>
   <message name="IDS_LOGIN_TITLE_HINT" desc="Hint under title 'Sign in to Chrome OS'">
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     Attempts left: $1
   </message>
   <message name="IDS_REQUEST_PIN_DIALOG_PIN" desc="The Provider Identification Number abbreviation">
     PIN
   </message>
   <message name="IDS_REQUEST_PIN_DIALOG_PUK" desc="The Personal Unlocking Key (as used in mobile phones) abbreviation">
     PUK
   </message>
 
 </grit-part>