Implement FetchEvent.navigationPreload

third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index 867168b7d5ceedaa4be5aa3fd3ec823b5b38112d..723f9803af9b453c862d77f2d32595b2fc4c0e5d 100644
--- a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -151,7 +151,8 @@ void ServiceWorkerGlobalScopeProxy::dispatchExtendableMessageEvent(
 
 void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(
     int fetchEventID,
-    const WebServiceWorkerRequest& webRequest) {
+    const WebServiceWorkerRequest& webRequest,
+    bool navigationPreloadSent) {
   ScriptState::Scope scope(
       workerGlobalScope()->scriptController()->getScriptState());
   WaitUntilObserver* waitUntilObserver = WaitUntilObserver::create(
@@ -168,9 +169,17 @@ void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(
   eventInit.setClientId(
       webRequest.isMainResourceLoad() ? WebString() : webRequest.clientId());
   eventInit.setIsReload(webRequest.isReload());
+  ScriptState* scriptState =
+      workerGlobalScope()->scriptController()->getScriptState();
   FetchEvent* fetchEvent = FetchEvent::create(
-      workerGlobalScope()->scriptController()->getScriptState(),
-      EventTypeNames::fetch, eventInit, respondWithObserver, waitUntilObserver);
+      scriptState, EventTypeNames::fetch, eventInit, respondWithObserver,
+      waitUntilObserver, navigationPreloadSent);
+  if (navigationPreloadSent) {
+    ServiceWorkerGlobalScopeClient::from(workerGlobalScope())
+        ->registerPreloadResponseCallback(
+            fetchEventID,
+            fetchEvent->createPreloadResponseCallback(scriptState));
+  }
   waitUntilObserver->willDispatchEvent();
   respondWithObserver->willDispatchEvent();
   DispatchEventResult dispatchResult =