Add IDL and initial Blink API for Background Sync

Source/modules/background_sync/SyncCallbacks.cpp

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2015 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/PushSubscriptionCallbacks.h"
+#include "modules/background_sync/SyncCallbacks.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
-#include "modules/push_messaging/PushError.h"
-#include "modules/push_messaging/PushSubscription.h"
+#include "modules/background_sync/SyncError.h"
+#include "modules/background_sync/SyncRegistration.h"
 #include "modules/serviceworkers/ServiceWorkerRegistration.h"
 
 namespace blink {
 
-PushSubscriptionCallbacks::PushSubscriptionCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver, ServiceWorkerRegistration* serviceWorkerRegistration)
+SyncRegistrationCallbacks::SyncRegistrationCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver, ServiceWorkerRegistration* serviceWorkerRegistration)
     : m_resolver(resolver)
     , m_serviceWorkerRegistration(serviceWorkerRegistration)
 {
     ASSERT(m_resolver);
     ASSERT(m_serviceWorkerRegistration);
 }
 
-PushSubscriptionCallbacks::~PushSubscriptionCallbacks()
+SyncRegistrationCallbacks::~SyncRegistrationCallbacks()
 {
 }
 
-void PushSubscriptionCallbacks::onSuccess(WebPushSubscription* webPushSubscription)
+void SyncRegistrationCallbacks::onSuccess(WebSyncRegistration* webSyncRegistration)
 {
     if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped()) {
-        PushSubscription::dispose(webPushSubscription);
+        SyncRegistration::dispose(webSyncRegistration);
         return;
     }
 
-    if (!webPushSubscription) {
+    if (!webSyncRegistration) {
         m_resolver->resolve(v8::Null(m_resolver->scriptState()->isolate()));
         return;
     }
-    m_resolver->resolve(PushSubscription::take(m_resolver.get(), webPushSubscription, m_serviceWorkerRegistration));
+    m_resolver->resolve(SyncRegistration::take(m_resolver.get(), webSyncRegistration, m_serviceWorkerRegistration));
 }
 
-void PushSubscriptionCallbacks::onError(WebPushError* error)
+void SyncRegistrationCallbacks::onError(WebSyncError* error)
 {
     if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped()) {
-        PushError::dispose(error);
+        SyncError::dispose(error);
         return;
     }
-    m_resolver->reject(PushError::take(m_resolver.get(), error));
+    m_resolver->reject(SyncError::take(m_resolver.get(), error));
+}
+
+SyncUnregistrationCallbacks::SyncUnregistrationCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver, ServiceWorkerRegistration* serviceWorkerRegistration)
+    : m_resolver(resolver)
+    , m_serviceWorkerRegistration(serviceWorkerRegistration)
+{
+    ASSERT(m_resolver);
+    ASSERT(m_serviceWorkerRegistration);
+}
+
+SyncUnregistrationCallbacks::~SyncUnregistrationCallbacks()
+{
+}
+
+void SyncUnregistrationCallbacks::onSuccess(bool* status)
+{
+    if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped()) {
+        return;
+    }
+
+    m_resolver->resolve(*status);
+}
+
+void SyncUnregistrationCallbacks::onError(WebSyncError* error)
+{
+    if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped()) {
+        SyncError::dispose(error);
+        return;
+    }
+    m_resolver->reject(SyncError::take(m_resolver.get(), error));
 }
 
 } // namespace blink