DO NOT REVIEW Bindings and plumbing for push messaging API.

Source/modules/pushmessaging/PushMessagingError.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PushMessagingError_h
+#define PushMessagingError_h
+
+#include "core/dom/DOMError.h"
+#include "public/platform/WebPushMessagingError.h"
+#include "wtf/PassOwnPtr.h"
+
+namespace WebCore {
+
+class PushMessagingError {
+public:
+    // For CallbackPromiseAdapter.
+    typedef blink::WebPushMessagingError WebType;
+    static PassRefPtr<DOMError> from(WebType* webErrorRaw)
+    {
+        OwnPtr<WebType> webError = adoptPtr(webErrorRaw);
+        RefPtr<DOMError> error = DOMError::create(errorString(webError->errorType), webError->message);
+        return error.release();
+    }
+
+private:
+    static String errorString(blink::WebPushMessagingError::ErrorType);
+
+    WTF_MAKE_NONCOPYABLE(PushMessagingError);
+    PushMessagingError() WTF_DELETED_FUNCTION;
+};
+
+} // namespace WebCore
+
+#endif // PushMessagingError_h