[WebAPKs] Plumb service worker scope to notifications

chrome/browser/notifications/notification.h

Index: chrome/browser/notifications/notification.h
diff --git a/chrome/browser/notifications/notification.h b/chrome/browser/notifications/notification.h
index 6c7b9f205e8b09ecbeb0df1e53fd5e96d71bb63e..4d22ee3b759b150643ecaac0c49af6aa2e844ee3 100644
--- a/chrome/browser/notifications/notification.h
+++ b/chrome/browser/notifications/notification.h
@@ -43,6 +43,9 @@ class Notification : public message_center::Notification {
   // A unique identifier used to update (replace) or remove a notification.
   const std::string& tag() const { return tag_; }
 
+  const GURL& scope_url() const { return scope_url_; }
+  void set_scope_url(const GURL& scope_url) { scope_url_ = scope_url; }
+
   // Id of the delegate embedded inside this instance.
   std::string delegate_id() const { return delegate()->id(); }
 
@@ -52,6 +55,10 @@ class Notification : public message_center::Notification {
   // The user-supplied tag for the notification.
   std::string tag_;
 
+  // The service worker scope if the notification was displayed by a service
+  // worker.
+  GURL scope_url_;
+
   // A proxy object that allows access back to the JavaScript object that
   // represents the notification, for firing events.
   scoped_refptr<NotificationDelegate> delegate_;