service worker: navigation preload basic setters/getters and flag

third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorker.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebServiceWorker_h
 #define WebServiceWorker_h
 
+#include "public/platform/WebCallbacks.h"
 #include "public/platform/WebCommon.h"
 #include "public/platform/WebMessagePortChannel.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebVector.h"
+#include "public/platform/modules/serviceworker/WebServiceWorkerError.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerState.h"
 
 namespace blink {
 
 class WebSecurityOrigin;
 class WebServiceWorkerProvider;
 class WebServiceWorkerProxy;
 typedef WebVector<class WebMessagePortChannel*> WebMessagePortChannelArray;
 
 class WebServiceWorker {
  public:
+  using WebSetNavigationPreloadCallbacks =
+      WebCallbacks<void, const WebServiceWorkerError&>;
+  using WebGetNavigationPreloadCallbacks =
+      WebCallbacks<const WebString&, const WebServiceWorkerError&>;
+
   // The handle interface that retains a reference to the implementation of
   // WebServiceWorker in the embedder and is owned by ServiceWorker object in
   // Blink. The embedder must keep the service worker representation while
   // Blink is owning this handle.
   class Handle {
    public:
     virtual ~Handle() {}
     virtual WebServiceWorker* serviceWorker() { return nullptr; }
   };
 
@@ skipping 11 matching lines @@
     return WebServiceWorkerStateUnknown;
   }
 
   // Callee receives ownership of the passed vector.
   // FIXME: Blob refs should be passed to maintain ref counts. crbug.com/351753
   virtual void postMessage(WebServiceWorkerProvider*,
                            const WebString&,
                            const WebSecurityOrigin&,
                            WebMessagePortChannelArray*) = 0;
 
+  virtual void setNavigationPreload(const WebString& /* value */,
+                                    WebSetNavigationPreloadCallbacks*) {}
+  virtual void getNavigationPreload(WebGetNavigationPreloadCallbacks*) {}
   virtual void terminate() {}
 };
 }
 
 #endif  // WebServiceWorker_h