In-app messaging to communicate the imminent 32-bit deprecation to 32-bit-only users

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 311 matching lines @@
         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_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>
+      <if expr="is_macosx">
+        <!-- Mac 32-bit deprecation -->
+        <message name="IDS_MAC_32_BIT_OBSOLETE_SOON" desc="A message displayed on an at-launch infobar and About (Help) page warning the user that the computer they are using is about to become unsupported.">
+          This computer will soon stop receiving Chromium updates because its hardware is no longer supported.
+        </message>
+        <message name="IDS_MAC_32_BIT_OBSOLETE_NOW" desc="A message displayed on an at-launch infobar and About (Help) page warning the user that the computer they are using is no longer supported.">
+          This computer will no longer receive Chromium updates because its hardware is no longer supported.
+        </message>
+      </if>
       <message name="IDS_ACCNAME_APP" desc="The accessible name for the app menu.">
         Chromium
       </message>
       <message name="IDS_ACCNAME_TOOLBAR" desc="The accessible name for the application's toolbar.">
         Chromium Toolbar
       </message>
       <!-- Hung Browser Detector -->
       <message name="IDS_BROWSER_HUNGBROWSER_MESSAGE" desc="Content of the dialog box shown when the browser is hung">
         Chromium is unresponsive. Relaunch now?
       </message>
@@ skipping 683 matching lines @@
       </message>
 
       <!-- ProcessSingleton -->
       <message name="IDS_PROFILE_IN_USE_LINUX" desc="Message shown when the browser cannot start because the profile is in use on a different host.">
         The profile appears to be in use by another Chromium process (<ph name="PROCESS_ID">$1<ex>12345</ex></ph>) on another computer (<ph name="HOST_NAME">$2<ex>example.com</ex></ph>). Chromium has locked the profile so that it doesn't get corrupted. If you are sure no other processes are using this profile, you can unlock the profile and relaunch Chromium.
       </message>
 
     </messages>
   </release>
 </grit>