[WIP] bindings: Introduce PropertyBag

Source/modules/serviceworkers/ServiceWorkerClients.cpp

 // 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.
 
 #include "config.h"
 #include "modules/serviceworkers/ServiceWorkerClients.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 40 matching lines @@
 ServiceWorkerClients::ServiceWorkerClients()
 {
 }
 
 ScriptPromise ServiceWorkerClients::getAll(ScriptState* scriptState, const Dictionary& options)
 {
     RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     bool includeUncontrolled = false;
-    DictionaryHelper::get(options, "includeUncontrolled", includeUncontrolled);
+    options.get("includeUncontrolled", includeUncontrolled);
     if (includeUncontrolled) {
         // FIXME: Currently we don't support includeUncontrolled=true.
         resolver->reject(DOMException::create(NotSupportedError, "includeUncontrolled parameter of getAll is not supported."));
         return promise;
     }
 
     ServiceWorkerGlobalScopeClient::from(scriptState->executionContext())->getClients(new CallbackPromiseAdapter<ClientArray, ServiceWorkerError>(resolver));
     return promise;
 }
 
 } // namespace blink