[Background Fetch] Tidy up getting/activating pending requests

content/browser/background_fetch/background_fetch_job_controller.h

Index: content/browser/background_fetch/background_fetch_job_controller.h
diff --git a/content/browser/background_fetch/background_fetch_job_controller.h b/content/browser/background_fetch/background_fetch_job_controller.h
index 3698664c51d9d19b2bb36c5e9efedd7fb4a0306d..7ad44503ef99a7702c2e715fc48d64baadf51785 100644
--- a/content/browser/background_fetch/background_fetch_job_controller.h
+++ b/content/browser/background_fetch/background_fetch_job_controller.h
@@ -48,10 +48,9 @@ class CONTENT_EXPORT BackgroundFetchJobController {
       const net::NetworkTrafficAnnotationTag& traffic_annotation);
   ~BackgroundFetchJobController();
 
-  // Starts fetching the |initial_fetches|. The controller will continue to
+  // Starts fetching the first few requests. The controller will continue to
   // fetch new content until all requests have been handled.
-  void Start(
-      std::vector<scoped_refptr<BackgroundFetchRequestInfo>> initial_requests);
+  void Start();
 
   // Updates the representation of this Background Fetch in the user interface
   // to match the given |title|.