ChromeOS: Implement EULA screen of material design OOBE.

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-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>
@@ skipping 1698 matching lines @@
   </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_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'">
     with your Google Account
   </message>
   <message name="IDS_LOGIN_USERNAME">
     Email
   </message>
   <message name="IDS_LOGIN_PASSWORD">
@@ skipping 5264 matching lines @@
   <message name="IDS_CRITICALLY_LOW_DISK_NOTIFICATION_TITLE" desc="Title of the notification warning users that they are critically low on disk space.">
     Device disk space critically low
   </message>
   <message name="IDS_CRITICALLY_LOW_DISK_NOTIFICATION_MESSAGE" desc="Notification text warning users that they are critically low on disk space.">
     Free up disk space or device will become unresponsive.
   </message>
   <message name="IDS_LOW_DISK_NOTIFICATION_BUTTON" desc="Button on the low disk notification to open storage management.">
     Manage storage
   </message>
 </grit-part>