[Merge to M55] Reland "Propagate information about how ARC apps are launched"

chrome/browser/resources/options/browser_options.js

Index: chrome/browser/resources/options/browser_options.js
diff --git a/chrome/browser/resources/options/browser_options.js b/chrome/browser/resources/options/browser_options.js
index 684c40b81ee0b86a46e5b1472bd45b06a6615cbf..e546ef636ff7d76ed6bfbe56277cbed8c83f7968 100644
--- a/chrome/browser/resources/options/browser_options.js
+++ b/chrome/browser/resources/options/browser_options.js
@@ -857,7 +857,10 @@ cr.define('options', function() {
         });
 
         $('android-apps-settings-link').addEventListener('click', function(e) {
-            chrome.send('showAndroidAppsSettings');
+            // MouseEvent.detail indicates the current click count (or tap
+            // count, in the case of touch events) in the 'click' event.
+            var activatedFromKeyboard = e.detail == 0;
+            chrome.send('showAndroidAppsSettings', [activatedFromKeyboard]);
         });
       }
     },