Make //content responsible for generating notification Ids

content/browser/notifications/notification_id_generator.h

Index: content/browser/notifications/notification_id_generator.h
diff --git a/content/browser/notifications/notification_id_generator.h b/content/browser/notifications/notification_id_generator.h
index 81e457bf0f62c0dbdf6f3789a328beed25bd0303..6c45976cc3859249e324c51e5b7ef6eb87dd0cb8 100644
--- a/content/browser/notifications/notification_id_generator.h
+++ b/content/browser/notifications/notification_id_generator.h
@@ -37,8 +37,7 @@ class BrowserContext;
 // notification id can outlive the browser process responsible for creating it.
 class CONTENT_EXPORT NotificationIdGenerator {
  public:
-  NotificationIdGenerator(BrowserContext* browser_context,
-                          int render_process_id);
+  explicit NotificationIdGenerator(BrowserContext* browser_context);
   ~NotificationIdGenerator();
 
   // Returns whether |notification_id| belongs to a persistent notification.
@@ -63,13 +62,12 @@ class CONTENT_EXPORT NotificationIdGenerator {
   std::string GenerateForNonPersistentNotification(
       const GURL& origin,
       const std::string& tag,
-      int non_persistent_notification_id) const;
+      int non_persistent_notification_id,
+      int render_process_id) const;
 
  private:
   // The NotificationMessageFilter that owns |this| will outlive the context.
   BrowserContext* browser_context_;
-
-  int render_process_id_;
 };
 
 }  // namespace context