[Autofill Assistant] Use origin from Login instead of full link

Bug: b/143195594
Change-Id: Ie284f3d9d8b1a783d9a6508787a9fd0ac919c02f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1876029Reviewed-by: Clemens Arbesser <arbesser@google.com>
Commit-Queue: Sandro Maggi <sandromaggi@google.com>
Cr-Commit-Position: refs/heads/master@{#708624}

components/autofill_assistant/browser/website_login_fetcher.h

@@ -23,7 +23,7 @@ class WebsiteLoginFetcher {
     Login(const Login& other);
     ~Login();
 
-    // The scheme, host, port and path of the login website.
+    // The origin of the login website.
     GURL origin;
     std::string username;
   };

components/autofill_assistant/browser/website_login_fetcher_impl.cc

@@ -86,7 +86,7 @@ class WebsiteLoginFetcherImpl::PendingFetchLoginsRequest
   void OnFetchCompleted() override {
     std::vector<Login> logins;
     for (const auto* match : form_fetcher_->GetBestMatches()) {
-      logins.emplace_back(match->origin,
+      logins.emplace_back(match->origin.GetOrigin(),
                           base::UTF16ToUTF8(match->username_value));
     }
     std::move(callback_).Run(logins);