service worker: Implement NavigationPreloadManager.getState

content/child/service_worker/web_service_worker_registration_impl.cc

 // 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 "content/child/service_worker/web_service_worker_registration_impl.h"
 
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "content/child/service_worker/service_worker_dispatcher.h"
 #include "content/child/service_worker/service_worker_registration_handle_reference.h"
 #include "content/child/service_worker/web_service_worker_impl.h"
 #include "content/child/service_worker/web_service_worker_provider_impl.h"
 #include "content/common/service_worker/service_worker_types.h"
+#include "third_party/WebKit/public/platform/modules/serviceworker/WebNavigationPreloadState.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerError.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerRegistrationProxy.h"
 
 namespace content {
 
 namespace {
 
 class HandleImpl : public blink::WebServiceWorkerRegistration::Handle {
  public:
   explicit HandleImpl(
@@ skipping 127 matching lines @@
   WebServiceWorkerProviderImpl* provider_impl =
       static_cast<WebServiceWorkerProviderImpl*>(provider);
   ServiceWorkerDispatcher* dispatcher =
       ServiceWorkerDispatcher::GetThreadSpecificInstance();
   DCHECK(dispatcher);
   dispatcher->EnableNavigationPreload(provider_impl->provider_id(),
                                       registration_id(), enable,
                                       std::move(callbacks));
 }
 
+void WebServiceWorkerRegistrationImpl::getNavigationPreloadState(
+    blink::WebServiceWorkerProvider* provider,
+    std::unique_ptr<WebGetNavigationPreloadStateCallbacks> callbacks) {
+  WebServiceWorkerProviderImpl* provider_impl =
+      static_cast<WebServiceWorkerProviderImpl*>(provider);
+  ServiceWorkerDispatcher* dispatcher =
+      ServiceWorkerDispatcher::GetThreadSpecificInstance();
+  DCHECK(dispatcher);
+  dispatcher->GetNavigationPreloadState(
+      provider_impl->provider_id(), registration_id(), std::move(callbacks));
+}
+
 int64_t WebServiceWorkerRegistrationImpl::registration_id() const {
   return handle_ref_->registration_id();
 }
 
 // static
 std::unique_ptr<blink::WebServiceWorkerRegistration::Handle>
 WebServiceWorkerRegistrationImpl::CreateHandle(
     const scoped_refptr<WebServiceWorkerRegistrationImpl>& registration) {
   if (!registration)
     return nullptr;
   return base::MakeUnique<HandleImpl>(registration);
 }
 
 blink::WebServiceWorkerRegistration::Handle*
 WebServiceWorkerRegistrationImpl::CreateLeakyHandle(
     const scoped_refptr<WebServiceWorkerRegistrationImpl>& registration) {
   if (!registration)
     return nullptr;
   return new HandleImpl(registration);
 }
 
 WebServiceWorkerRegistrationImpl::~WebServiceWorkerRegistrationImpl() {
   ServiceWorkerDispatcher* dispatcher =
       ServiceWorkerDispatcher::GetThreadSpecificInstance();
   if (dispatcher)
     dispatcher->RemoveServiceWorkerRegistration(handle_ref_->handle_id());
 }
 
 }  // namespace content