Push API: rename registration to subscription.

Source/modules/push_messaging/PushRegistrationCallbacks.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/push_messaging/PushRegistrationCallbacks.h"
-
-#include "bindings/core/v8/ScriptPromiseResolver.h"
-#include "modules/push_messaging/PushError.h"
-#include "modules/push_messaging/PushRegistration.h"
-#include "modules/serviceworkers/ServiceWorkerRegistration.h"
-
-namespace blink {
-
-PushRegistrationCallbacks::PushRegistrationCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver, ServiceWorkerRegistration* registration)
-    : m_resolver(resolver)
-    , m_serviceWorkerRegistration(registration)
-{
-    ASSERT(m_resolver);
-    ASSERT(m_serviceWorkerRegistration);
-}
-
-PushRegistrationCallbacks::~PushRegistrationCallbacks()
-{
-}
-
-void PushRegistrationCallbacks::onSuccess(WebPushRegistration* webPushRegistration)
-{
-    if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped()) {
-        PushRegistration::dispose(webPushRegistration);
-        return;
-    }
-
-    if (!webPushRegistration) {
-        m_resolver->resolve(v8::Null(m_resolver->scriptState()->isolate()));
-        return;
-    }
-    m_resolver->resolve(PushRegistration::take(m_resolver.get(), webPushRegistration, m_serviceWorkerRegistration));
-}
-
-void PushRegistrationCallbacks::onError(WebPushError* error)
-{
-    if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped()) {
-        PushError::dispose(error);
-        return;
-    }
-    m_resolver->reject(PushError::take(m_resolver.get(), error));
-}
-
-} // namespace blink