Revert of ServiceWorker: Remove Clients.getAll()

Source/modules/serviceworkers/Clients.idl

Index: Source/modules/serviceworkers/Clients.idl
diff --git a/Source/modules/serviceworkers/Clients.idl b/Source/modules/serviceworkers/Clients.idl
index 6172a9c018ce783bcde832c3e1f2ec60476bfe33..148b5af4142ee5cee0207c503db1dc166eeb4100 100644
--- a/Source/modules/serviceworkers/Clients.idl
+++ b/Source/modules/serviceworkers/Clients.idl
@@ -10,6 +10,7 @@
     TypeChecking=Interface,
     ImplementedAs=ServiceWorkerClients,
 ] interface Clients {
+    [DeprecateAs=ServiceWorkerClientsGetAll, CallWith=ScriptState, ImplementedAs=matchAll] Promise<sequence<Client>?> getAll(optional ClientQueryOptions options);
     [CallWith=ScriptState] Promise<sequence<Client>?> matchAll(optional ClientQueryOptions options);
     [RuntimeEnabled=ServiceWorkerClientAttributes, CallWith=ScriptState] Promise<WindowClient?> openWindow(USVString url);
     [CallWith=ScriptState] Promise<void> claim();