Service Worker: Make ServiceWorkerRegistration.update() return a promise. (Blink 1/3)

Source/modules/serviceworkers/ServiceWorkerRegistration.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 "ServiceWorkerRegistration.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 68 matching lines @@
 {
     if (registration && !registration->proxy())
         delete registration;
 }
 
 String ServiceWorkerRegistration::scope() const
 {
     return m_outerRegistration->scope().string();
 }
 
-void ServiceWorkerRegistration::update(ScriptState* scriptState, ExceptionState& exceptionState)
+ScriptPromise ServiceWorkerRegistration::update(ScriptState* scriptState)
 {
+    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+
     if (!m_provider) {
-        exceptionState.throwDOMException(InvalidStateError, "Failed to update a ServiceWorkerRegistration: No associated provider is available.");
-        return;
+        resolver->reject(DOMException::create(InvalidStateError, "Failed to update a ServiceWorkerRegistration: No associated provider is available."));
+        return promise;
     }
-    m_outerRegistration->update(m_provider);
+
+    m_outerRegistration->update(m_provider, new CallbackPromiseAdapter<void, ServiceWorkerError>(resolver));
+    return promise;
 }
 
 ScriptPromise ServiceWorkerRegistration::unregister(ScriptState* scriptState)
 {
     RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     if (!m_provider) {
         resolver->reject(DOMException::create(InvalidStateError, "Failed to unregister a ServiceWorkerRegistration: No associated provider is available."));
         return promise;
@@ skipping 55 matching lines @@
 
 void ServiceWorkerRegistration::stop()
 {
     if (m_stopped)
         return;
     m_stopped = true;
     m_outerRegistration->proxyStopped();
 }
 
 } // namespace blink