service worker: Plumb NavigationPreloadManager.enable/disable to browser-side

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 583bc9e77a6df13826e9519f88e9c27bf300be69..4a9e0366b952f9532f31bcc0dae1066771ca6f74 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/NavigationPreloadCallbacks.cpp
+++ b/third_party/WebKit/Source/modules/serviceworkers/NavigationPreloadCallbacks.cpp
@@ -33,27 +33,4 @@ void EnableNavigationPreloadCallbacks::onError(
   m_resolver->reject(ServiceWorkerError::take(m_resolver.get(), error));
 }
 
-DisableNavigationPreloadCallbacks::DisableNavigationPreloadCallbacks(
-    ScriptPromiseResolver* resolver)
-    : m_resolver(resolver) {
-  DCHECK(m_resolver);
-}
-
-DisableNavigationPreloadCallbacks::~DisableNavigationPreloadCallbacks() {}
-
-void DisableNavigationPreloadCallbacks::onSuccess() {
-  if (!m_resolver->getExecutionContext() ||
-      m_resolver->getExecutionContext()->activeDOMObjectsAreStopped())
-    return;
-  m_resolver->resolve();
-}
-
-void DisableNavigationPreloadCallbacks::onError(
-    const WebServiceWorkerError& error) {
-  if (!m_resolver->getExecutionContext() ||
-      m_resolver->getExecutionContext()->activeDOMObjectsAreStopped())
-    return;
-  m_resolver->reject(ServiceWorkerError::take(m_resolver.get(), error));
-}
-
 }  // namespace blink