[BackgroundSync Cleanup] Remove periodic sync code

content/browser/background_sync/background_sync_manager.h

Index: content/browser/background_sync/background_sync_manager.h
diff --git a/content/browser/background_sync/background_sync_manager.h b/content/browser/background_sync/background_sync_manager.h
index 5f1c7620c7bae3f292fb1ea69cc996ea5237adaa..8d92f807966daa9a89a1ffb1e9379f98883ff0a7 100644
--- a/content/browser/background_sync/background_sync_manager.h
+++ b/content/browser/background_sync/background_sync_manager.h
@@ -64,9 +64,9 @@ class CONTENT_EXPORT BackgroundSyncManager
   ~BackgroundSyncManager() override;
 
   // Stores the given background sync registration and adds it to the scheduling
-  // queue. It will overwrite an existing registration with the same tag and
-  // periodicity unless they're identical (save for the id). Calls |callback|
-  // with BACKGROUND_SYNC_STATUS_OK and the accepted registration on success.
+  // queue. It will overwrite an existing registration with the same tag unless
+  // they're identical (save for the id). Calls |callback| with
+  // BACKGROUND_SYNC_STATUS_OK and the accepted registration on success.
   // The accepted registration will have a unique id. It may also have altered
   // parameters if the user or UA chose different parameters than those
   // supplied.
@@ -76,22 +76,19 @@ class CONTENT_EXPORT BackgroundSyncManager
                 const StatusAndRegistrationCallback& callback);
 
   // Finds the background sync registration associated with
-  // |sw_registration_id|, periodicity |periodicity|, and tag
-  // |sync_registration_tag|. Calls |callback| with
-  // BACKGROUND_SYNC_STATUS_NOT_FOUND if it doesn't exist. Calls |callback| with
-  // BACKGROUND_SYNC_STATUS_OK on success. If the callback's status
-  // is not BACKGROUND_SYNC_STATUS_OK then the callback's RegistrationHandle
-  // will be nullptr.
+  // |sw_registration_id|, and tag |sync_registration_tag|. Calls |callback|
+  // with BACKGROUND_SYNC_STATUS_NOT_FOUND if it doesn't exist. Calls |callback|
+  // with BACKGROUND_SYNC_STATUS_OK on success. If the callback's status is not
+  // BACKGROUND_SYNC_STATUS_OK then the callback's RegistrationHandle will be
+  // nullptr.
   void GetRegistration(int64_t sw_registration_id,
                        const std::string& sync_registration_tag,
-                       SyncPeriodicity periodicity,
                        const StatusAndRegistrationCallback& callback);
 
   // Finds the background sync registrations associated with
-  // |sw_registration_id| and periodicity |periodicity|. Calls
-  // |callback| with BACKGROUND_SYNC_STATUS_OK on success.
+  // |sw_registration_id|. Calls |callback| with BACKGROUND_SYNC_STATUS_OK on
+  // success.
   void GetRegistrations(int64_t sw_registration_id,
-                        SyncPeriodicity periodicity,
                         const StatusAndRegistrationsCallback& callback);
 
   // Given a HandleId |handle_id|, return a new handle for the same
@@ -162,7 +159,7 @@ class CONTENT_EXPORT BackgroundSyncManager
    public:
     explicit RegistrationKey(const BackgroundSyncRegistration& registration);
     explicit RegistrationKey(const BackgroundSyncRegistrationOptions& options);
-    RegistrationKey(const std::string& tag, SyncPeriodicity periodicity);
+    RegistrationKey(const std::string& tag);
     RegistrationKey(const RegistrationKey& other) = default;
     RegistrationKey& operator=(const RegistrationKey& other) = default;
 
@@ -266,10 +263,9 @@ class CONTENT_EXPORT BackgroundSyncManager
       const StatusAndRegistrationCallback& callback,
       ServiceWorkerStatusCode status);
 
-  // Removes the background sync with periodicity |periodicity| and id
-  // |sync_registration_id|. Calls |callback| with
-  // BACKGROUND_SYNC_STATUS_NOT_FOUND if no match is found. Calls |callback|
-  // with BACKGROUND_SYNC_STATUS_OK on success.
+  // Removes the background sync with id |sync_registration_id|. Calls
+  // |callback| with BACKGROUND_SYNC_STATUS_NOT_FOUND if no match is found.
+  // Calls |callback| with BACKGROUND_SYNC_STATUS_OK on success.
   void Unregister(int64_t sw_registration_id,
                   BackgroundSyncRegistrationHandle::HandleId handle_id,
                   const StatusCallback& callback);
@@ -277,10 +273,8 @@ class CONTENT_EXPORT BackgroundSyncManager
       int64_t sw_registration_id,
       const RegistrationKey& key,
       BackgroundSyncRegistration::RegistrationId sync_registration_id,
-      SyncPeriodicity periodicity,
       const StatusCallback& callback);
   void UnregisterDidStore(int64_t sw_registration_id,
-                          SyncPeriodicity periodicity,
                           const StatusCallback& callback,
                           ServiceWorkerStatusCode status);
 
@@ -302,7 +296,6 @@ class CONTENT_EXPORT BackgroundSyncManager
 
   // GetRegistrations callbacks
   void GetRegistrationsImpl(int64_t sw_registration_id,
-                            SyncPeriodicity periodicity,
                             const StatusAndRegistrationsCallback& callback);
 
   bool AreOptionConditionsMet(const BackgroundSyncRegistrationOptions& options);