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

chrome/app/chromium_strings.grd

Index: chrome/app/chromium_strings.grd
diff --git a/chrome/app/chromium_strings.grd b/chrome/app/chromium_strings.grd
index 677dc7e0eb1b8b02da699f52a7b3e908b5070857..3b8d8c3b4361614502d41f36342d404b43e1b79e 100644
--- a/chrome/app/chromium_strings.grd
+++ b/chrome/app/chromium_strings.grd
@@ -329,6 +329,15 @@ name="DOMAIN">$1<ex>paypal.com</ex></ph>&lt;/strong&gt;, but the server presente
       <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>