Add IDS_ABOUT_CROS_VERSION_LICENSE support back to chrome://chrome

chrome/app/chromium_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are distribution specific.
 These strings will not be translated and only english versions will
 be available for now. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/chromium_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 274 matching lines @@
       </if>
       <message name="IDS_ABOUT_VERSION_COMPANY_NAME" desc="Company name on the about pages">
         The Chromium Authors
       </message>
       <message name="IDS_ABOUT_VERSION_COPYRIGHT" desc="Copyright information on the about pages">
         Copyright © 2006-2012 The Chromium Authors. All Rights Reserved.
       </message>
       <message name="IDS_ABOUT_OLD_VERSION_LICENSE" desc="The label below the copyright message, containing the URLs.">
         Chromium is made possible by the <ph name="BEGIN_LINK_CHROMIUM">BEGIN_LINK_CHR</ph>Chromium<ph name="END_LINK_CHROMIUM">END_LINK_CHR</ph> open source project and other <ph name="BEGIN_LINK_OSS">BEGIN_LINK_OSS</ph>open source software<ph name="END_LINK_OSS">END_LINK_OSS</ph>.
       </message>
-      <if expr="not pp_ifdef('chromeos')">
-        <message name="IDS_ABOUT_VERSION_LICENSE" desc="The label below the copyright message, containing the URLs.">
-          Chromium is made possible by the <ph name="BEGIN_LINK_CHROMIUM">&lt;a target="_blank" href="$1"&gt;</ph>Chromium<ph name="END_LINK_CHROMIUM">&lt;/a&gt;</ph> open source project and other <ph name="BEGIN_LINK_OSS">&lt;a target="_blank" href="$2"&gt;</ph>open source software<ph name="END_LINK_OSS">&lt;/a&gt;</ph>.
-        </message>
-      </if>
+      <message name="IDS_ABOUT_VERSION_LICENSE" desc="The label below the copyright message, containing the URLs.">
+        Chromium is made possible by the <ph name="BEGIN_LINK_CHROMIUM">&lt;a target="_blank" href="$1"&gt;</ph>Chromium<ph name="END_LINK_CHROMIUM">&lt;/a&gt;</ph> open source project and other <ph name="BEGIN_LINK_OSS">&lt;a target="_blank" href="$2"&gt;</ph>open source software<ph name="END_LINK_OSS">&lt;/a&gt;</ph>.
+      </message>
       <if expr="pp_ifdef('chromeos')">
-        <message name="IDS_ABOUT_VERSION_LICENSE" desc="The label below the copyright message, containing the URLs.">
-          Chromium OS is made possible by additional <ph name="BEGIN_LINK_OSS">&lt;a target="_blank" href="$1"&gt;</ph>open source software<ph name="END_LINK_OSS">&lt;/a&gt;</ph>.
-        </message>
-        <message name="IDS_ABOUT_CROS_VERSION_LICENSE" desc="Additional text displayed beneath the Chromium open source URLs for Chromium OS.">
-          Chromium OS is made possible by additional <ph name="BEGIN_LINK_CROS_OSS">BEGIN_LINK_CROS_OSS</ph>open source software<ph name="END_LINK_CROS_OSS">END_LINK_CROS_OSS</ph>.
+        <message name="IDS_ABOUT_CROS_VERSION_LICENSE" desc="Additional text displayed beneath the Chromium open source URLs for Chrome OS.">
+          Chromium OS is made possible by additional <ph name="BEGIN_LINK_CROS_OSS">&lt;a target="_blank" href="$1"&gt;</ph>open source software<ph name="END_LINK_CROS_OSS">&lt;/a&gt;</ph>.
         </message>
       </if>
       <message name="IDS_ABOUT_TERMS_OF_SERVICE" desc="The terms of service label in the About box.">
         Not used in Chromium. Placeholder to keep resource maps in sync. It expects one argument: $1.
       </message>
       <message name="IDS_ABOUT_OLD_TERMS_OF_SERVICE" desc="The terms of service label in the About box.">
         Not used in Chromium. Placeholder to keep resource maps in sync.
       </message>
       <message name="IDS_TERMS_OF_SERVICE" desc="The Terms of Service link text in the About box. Used in IDS_ABOUT_TERMS_OF_SERVICE.">
         Not used in Chromium. Placeholder to keep resource maps in sync.
@@ skipping 472 matching lines @@
         Chromium Autofill settings
       </message>
 
       <!-- Web Intents -->
       <message name="IDS_INTENT_PICKER_INSTALL_EXTENSION" desc="Text on the button in the web intent picker that installs an extension then uses the extension as an intent service.">
         Add to Chromium
       </message>
     </messages>
   </release>
 </grit>