[webnfc] Implement push() method in blink nfc module.

third_party/WebKit/Source/modules/nfc/NFCError.h

Index: third_party/WebKit/Source/modules/nfc/NFCError.h
diff --git a/third_party/WebKit/Source/modules/nfc/NFCError.h b/third_party/WebKit/Source/modules/nfc/NFCError.h
new file mode 100644
index 0000000000000000000000000000000000000000..b52eaed024fe1c367a5ebda28f5bede4bf4944f6
--- /dev/null
+++ b/third_party/WebKit/Source/modules/nfc/NFCError.h
@@ -0,0 +1,27 @@
+// Copyright 2016 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 NFCError_h
+#define NFCError_h
+
+#include "device/nfc/nfc.mojom-blink.h"
+#include "wtf/Allocator.h"
+
+namespace blink {
+
+class DOMException;
+class ScriptPromiseResolver;
+
+class NFCError {
+    STATIC_ONLY(NFCError);
+
+public:
+    // Required by CallbackPromiseAdapter
+    using WebType = const device::nfc::blink::NFCErrorType&;
+    static DOMException* take(ScriptPromiseResolver*, const device::nfc::blink::NFCErrorType&);
+};
+
+} // namespace blink
+
+#endif // NFCError_h