Linux native notifications: Add attribution

chrome/browser/notifications/notification_platform_bridge_linux.cc

Index: chrome/browser/notifications/notification_platform_bridge_linux.cc
diff --git a/chrome/browser/notifications/notification_platform_bridge_linux.cc b/chrome/browser/notifications/notification_platform_bridge_linux.cc
index 7905a4523ae3629e10bb63ebb010e041992b3e65..6be925321199f6839cd58cb386cc9007be7e2b79 100644
--- a/chrome/browser/notifications/notification_platform_bridge_linux.cc
+++ b/chrome/browser/notifications/notification_platform_bridge_linux.cc
@@ -30,6 +30,7 @@
 #include "chrome/browser/notifications/notification_display_service_factory.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/shell_integration_linux.h"
+#include "components/url_formatter/elide_url.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "dbus/bus.h"
@@ -522,6 +523,22 @@ class NotificationPlatformBridgeLinuxImpl
           data->resource_files.push_back(std::move(image_file));
         }
       }
+
+      // Attribute this notification to the origin, if any.
+      if (!notification->origin_url().is_empty()) {
+        if (!body.empty())
+          body += "\n";
+        std::string url_display_text =
+            base::UTF16ToUTF8(url_formatter::FormatUrlForSecurityDisplay(
+                notification->origin_url(),
+                url_formatter::SchemeDisplay::OMIT_HTTP_AND_HTTPS));
+        std::string spec = notification->origin_url().spec();
+        if (base::ContainsKey(capabilities_, "body-hyperlinks")) {
+          body += "<a href=\"" + spec + "\">" + url_display_text + "</a>";
+        } else {
+          body += url_display_text;
+        }
+      }
     }
     writer.AppendString(body);