Construct URLs from the url field when sorting site engagement by origin.

chrome/browser/resources/engagement/site_engagement.js

Index: chrome/browser/resources/engagement/site_engagement.js
diff --git a/chrome/browser/resources/engagement/site_engagement.js b/chrome/browser/resources/engagement/site_engagement.js
index 6b94820ae3cf3cb662cfbdbf75aa0674880e04b9..ca27aec93739f2fe9188ff1f3aeed7923002548f 100644
--- a/chrome/browser/resources/engagement/site_engagement.js
+++ b/chrome/browser/resources/engagement/site_engagement.js
@@ -129,7 +129,7 @@ define('main', [
 
       // Compare the hosts of the origin ignoring schemes.
       if (sortKey == 'origin')
-        return new URL(val1).host > new URL(val2).host ? 1 : -1;
+        return new URL(val1.url).host > new URL(val2.url).host ? 1 : -1;
 
       if (sortKey == 'score')
         return val1 - val2;