Add an Error class for ServiceWorkers

Source/modules/serviceworkers/ServiceWorkerError.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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * 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 ServiceWorker_h
-#define ServiceWorker_h
+#ifndef ServiceWorkerError_h
+#define ServiceWorkerError_h
 
-#include "public/platform/WebServiceWorker.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
-
-namespace WebKit {
-class WebServiceWorker;
-}
+#include "core/dom/DOMError.h"
+#include "public/platform/WebServiceWorkerError.h"
 
 namespace WebCore {
 
-class ServiceWorker : public RefCounted<ServiceWorker> {
+class ServiceWorkerError : public DOMError {
 public:
-    static PassRefPtr<ServiceWorker> create(PassOwnPtr<WebKit::WebServiceWorker> worker)
+    static PassRefPtr<ServiceWorkerError> create(WebKit::WebServiceWorkerError::ErrorType type, const String& message)
     {
-        return adoptRef(new ServiceWorker(worker));
+        return adoptRef(new ServiceWorkerError(type, message));
     }
 
     // For CallbackPromiseAdapter
-    typedef WebKit::WebServiceWorker WebType;
-    static PassRefPtr<ServiceWorker> from(WebType* worker)
+    typedef WebKit::WebServiceWorkerError WebType;
+    static PassRefPtr<DOMError> from(WebType* webError)
     {
-        return create(adoptPtr(worker));
+        return create(webError->errorType(), webError->message());

[kinuko, 2013/10/15 23:44:44]

If this class takes ownership of webError we should delete webError after
creating (or pass it as PassOwnPtr to the instance).

     }
 
-    ~ServiceWorker() { }
+    static const String& GetErrorString(WebKit::WebServiceWorkerError::ErrorType);
+
+    ~ServiceWorkerError() { }
 
 private:
-    explicit ServiceWorker(PassOwnPtr<WebKit::WebServiceWorker>);
-
-    OwnPtr<WebKit::WebServiceWorker> m_outerWorker;
+    ServiceWorkerError(WebKit::WebServiceWorkerError::ErrorType type, const String& message) : DOMError(GetErrorString(type), message) { }
 };
 
 } // namespace WebCore
 
-#endif // ServiceWorker_h
+#endif // ServiceWorkerError_h