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

chrome/browser/resources/help/help.js

Index: chrome/browser/resources/help/help.js
diff --git a/chrome/browser/resources/help/help.js b/chrome/browser/resources/help/help.js
index 547b8054e44b30b5a974e57eceffabc66c4df86f..3d337bf59b2c9e8ae7decc2361568128692d156b 100644
--- a/chrome/browser/resources/help/help.js
+++ b/chrome/browser/resources/help/help.js
@@ -246,6 +246,15 @@ cr.define('help', function() {
      * @private
      */
     setUpdateStatus_: function(status, message) {
+      if (cr.isMac &&
+          $('update-status-message') &&
+          $('update-status-message').hidden) {
+        // Chrome has reached the end of the line on this system. The
+        // update-obsolete-system message is displayed. No other auto-update
+        // status should be displayed.
+        return;
+      }
+
       var channel = this.targetChannel_;
       if (status == 'checking') {
         this.setUpdateImage_('working');
@@ -341,6 +350,30 @@ cr.define('help', function() {
     /**
      * @private
      */
+    setObsoleteSystem_: function(obsolete) {
+      if (cr.isMac && $('update-obsolete-system-container')) {
+        $('update-obsolete-system-container').hidden = !obsolete;
+      }
+    },
+
+    /**
+     * @private
+     */
+    setObsoleteSystemEndOfTheLine_: function(endOfTheLine) {
+      if (cr.isMac &&
+          $('update-obsolete-system-container') &&
+          !$('update-obsolete-system-container').hidden &&
+          $('update-status-message')) {
+        $('update-status-message').hidden = endOfTheLine;
+        if (endOfTheLine) {
+          this.setUpdateImage_('failed');
+        }
+      }
+    },
+
+    /**
+     * @private
+     */
     setOSVersion_: function(version) {
       if (!cr.isChromeOS)
         console.error('OS version unsupported on non-CrOS');
@@ -461,8 +494,12 @@ cr.define('help', function() {
     HelpPage.getInstance().setPromotionState_(state);
   };
 
-  HelpPage.setObsoleteOS = function(obsolete) {
-    HelpPage.getInstance().setObsoleteOS_(obsolete);
+  HelpPage.setObsoleteSystem = function(obsolete) {
+    HelpPage.getInstance().setObsoleteSystem_(obsolete);
+  };
+
+  HelpPage.setObsoleteSystemEndOfTheLine = function(endOfTheLine) {
+    HelpPage.getInstance().setObsoleteSystemEndOfTheLine_(endOfTheLine);
   };
 
   HelpPage.setOSVersion = function(version) {