ServiceWorker: Rename Client interface to ServiceWorkerClient

Source/modules/serviceworkers/Client.idl

Index: Source/modules/serviceworkers/Client.idl
diff --git a/Source/modules/serviceworkers/Client.idl b/Source/modules/serviceworkers/Client.idl
deleted file mode 100644
index 0ff75dc5baefa6603445dc2acb1b48d9b4783d81..0000000000000000000000000000000000000000
--- a/Source/modules/serviceworkers/Client.idl
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// https://slightlyoff.github.io/ServiceWorker/spec/service_worker/index.html#client-interface
-[
-    Exposed=ServiceWorker,
-    RuntimeEnabled=ServiceWorker,
-    WillBeGarbageCollected,
-] interface Client {
-    readonly attribute unsigned long id;
-
-    // FIXME: Currently we think targetOrigin's probably not necessary, but
-    // re-add it if the ongoing issue [1] concludes the other way.
-    // [1] https://github.com/slightlyoff/ServiceWorker/issues/190
-    [Custom, RaisesException, CallWith=ExecutionContext] void postMessage(SerializedScriptValue message, optional sequence<Transferable> transfer);
-};