ChromeOS MD-OOBE: Add Timezone Selection screen.

chrome/browser/resources/chromeos/login/oobe_welcome_dialog.html

Index: chrome/browser/resources/chromeos/login/oobe_welcome_dialog.html
diff --git a/chrome/browser/resources/chromeos/login/oobe_welcome_dialog.html b/chrome/browser/resources/chromeos/login/oobe_welcome_dialog.html
index ed02edbac22eedcd0f6f64535b0bbe0dd6a2799a..9cfcd9c782803914e4fa1bba935571d4645918de 100644
--- a/chrome/browser/resources/chromeos/login/oobe_welcome_dialog.html
+++ b/chrome/browser/resources/chromeos/login/oobe_welcome_dialog.html
@@ -28,6 +28,10 @@
               on-tap="onAccessibilityClicked_">
             <div i18n-content="accessibilityLink"></div>
           </oobe-welcome-secondary-button>
+          <oobe-welcome-secondary-button icon="oobe-welcome-64:timezone"
+              on-tap="onTimezoneClicked_" hidden="[[!timezoneButtonVisible]]">
+            <div i18n-content="timezoneButtonText"></div>
+          </oobe-welcome-secondary-button>
           <div class="flex"></div>
           <oobe-text-button inverse on-tap="onNextClicked_">
             <div i18n-content="welcomeNextButtonText"></div>