Implement restart on Idle for Kiosk Mode.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 5041 matching lines @@
       </message>
       <message name="IDS_FLAGS_ENABLE_TAB_BROWSER_DRAGGING_DESCRIPTION" desc="Description for the flag to enable detached tabs to create a real browser.">
         Enable creating a browser window when dragging tabs.
       </message>
       <message name="IDS_FLAGS_ENABLE_RESTORE_SESSION_STATE_NAME" desc="Title for the flag to enable restoring (more) session state after restarts and crashes.">
         Better session restore
       </message>
       <message name="IDS_FLAGS_ENABLE_RESTORE_SESSION_STATE_DESCRIPTION" desc="Description for the flag to enable restoring (more) session state after restarts and crashes.">
         Restore more session state (e.g., session cookies) after restarts and crashes.
       </message>
+      <if expr="pp_ifdef('chromeos')">
+        <message name="IDS_FLAGS_ENABLE_RETAIL_MODE_NAME" desc="Title for the flag to enable retail mode.">
+          Enable Kiosk mode
+        </message>
+        <message name="IDS_FLAGS_ENABLE_RETAIL_MODE_DESCRIPTION" desc="Description for the flag to enable retail mode">
+          Enable a specific mode for retail scenarios where the machine behaves appropriately for a retail kiosk.
+        </message>
+      </if>
       <message name="IDS_FLAGS_DISABLE_SOFTWARE_RASTERIZER_NAME" desc="Title for the flag to disable using a software rasterizer.">
         Disable 3D software rasterizer
       </message>
       <message name="IDS_FLAGS_DISABLE_SOFTWARE_RASTERIZER_DESCRIPTION" desc="Description for the flag to disable using a software renderer.">
         Don't fall back to a 3D software rasterizer when the GPU cannot be used.
       </message>
       <message name="IDS_FLAGS_MEDIA_STREAM_NAME" desc="Name for the flag to enable MediaStream, GetUserMedia and PeerConnection.">
         Enable MediaStream.
       </message>
       <message name="IDS_FLAGS_MEDIA_STREAM_DESCRIPTION" desc="Description for the flag to enable MediaStream, GetUserMedia and PeerConnection.">
@@ skipping 740 matching lines @@
       <message name="IDS_IMPORTER_LOCK_TITLE" desc="Dialog title for importer lock dialog">
         Close Firefox Before Importing
       </message>
       <message name="IDS_IMPORTER_LOCK_OK" desc="Text for OK button on dialog">
         Continue
       </message>
       <message name="IDS_IMPORTER_LOCK_CANCEL" desc="Text for Cancel button on dialog">
         Skip Import
       </message>
 
+      <!-- Kiosk mode logout dialog -->
+      <if expr="pp_ifdef('chromeos')">
+        <message name="IDS_RETAIL_MODE_LOGOUT_TITLE" desc="Dialog title for the retail mode logout dialog">
+          Are you still there?
+        </message>
+        <message name="IDS_RETAIL_MODE_LOGOUT_WARNING" desc="Warning for the retail mode logout dialog">
+          This Chromebook is now idle and will be restarted.
+          Press any key or move the pointer to continue exploring.
+          <ph name="LINE_BREAK">&lt;br&gt;&lt;br&gt;</ph>
+          <ph name="BEGIN_BOLD">&lt;strong&gt;</ph>
+          Restarting in: <ph name="END_BOLD">&lt;/strong&gt;</ph>
+          <ph name="TIME_LEFT">$1<ex>20</ex></ph> seconds.
+        </message>
+      </if>
+
       <!-- Report Bug or Broken Website Dialog -->
       <message name="IDS_FEEDBACK_TITLE" desc="Dialog title for bug report dialog">
         Whoops. Let's fix that.
       </message>
       <message name="IDS_FEEDBACK_REPORT_PAGE_TITLE" desc="Label showing the title of the page that will be reported">
         Feedback
       </message>
       <message name="IDS_FEEDBACK_REPORT_URL_LABEL" desc="Label showing the URL that will be reported">
         Include this URL:
       </message>
@@ skipping 9163 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>