service worker: Implement NavigationPreloadManager.getState

third_party/WebKit/Source/modules/serviceworkers/NavigationPreloadCallbacks.cpp

Index: third_party/WebKit/Source/modules/serviceworkers/NavigationPreloadCallbacks.cpp
diff --git a/third_party/WebKit/Source/modules/serviceworkers/NavigationPreloadCallbacks.cpp b/third_party/WebKit/Source/modules/serviceworkers/NavigationPreloadCallbacks.cpp
index 4a9e0366b952f9532f31bcc0dae1066771ca6f74..ac7afe3395cca5b34823716ace826a1eb057da9b 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/NavigationPreloadCallbacks.cpp
+++ b/third_party/WebKit/Source/modules/serviceworkers/NavigationPreloadCallbacks.cpp
@@ -6,7 +6,9 @@
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
+#include "modules/serviceworkers/NavigationPreloadState.h"
 #include "modules/serviceworkers/ServiceWorkerError.h"
+#include "public/platform/modules/serviceworker/WebNavigationPreloadState.h"
 
 namespace blink {
 
@@ -33,4 +35,32 @@ void EnableNavigationPreloadCallbacks::onError(
   m_resolver->reject(ServiceWorkerError::take(m_resolver.get(), error));
 }
 
+GetNavigationPreloadStateCallbacks::GetNavigationPreloadStateCallbacks(
+    ScriptPromiseResolver* resolver)
+    : m_resolver(resolver) {
+  DCHECK(m_resolver);
+}
+
+GetNavigationPreloadStateCallbacks::~GetNavigationPreloadStateCallbacks() {}
+
+void GetNavigationPreloadStateCallbacks::onSuccess(
+    const WebNavigationPreloadState& state) {
+  if (!m_resolver->getExecutionContext() ||
+      m_resolver->getExecutionContext()->activeDOMObjectsAreStopped())
+    return;
+  NavigationPreloadState dict;
+  dict.setEnabled(state.enabled);
+  if (!state.headerValue.isNull())
+    dict.setHeaderValue(state.headerValue);
+  m_resolver->resolve(dict);
+}
+
+void GetNavigationPreloadStateCallbacks::onError(
+    const WebServiceWorkerError& error) {
+  if (!m_resolver->getExecutionContext() ||
+      m_resolver->getExecutionContext()->activeDOMObjectsAreStopped())
+    return;
+  m_resolver->reject(ServiceWorkerError::take(m_resolver.get(), error));
+}
+
 }  // namespace blink