[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..82bcf3181ef8427f02526d2c06c82a80755c6d51
--- /dev/null
+++ b/third_party/WebKit/Source/modules/nfc/NFCError.h
@@ -0,0 +1,28 @@
+// 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-wtf.h"
+#include "platform/heap/Handle.h"

[Reilly Grant (use Gerrit), 2016/04/27 23:32:53]

Unused header.

[shalamov, 2016/04/28 14:16:14]

Done.

+#include "wtf/Allocator.h"
+
+namespace blink {
+
+class DOMException;
+class ScriptPromiseResolver;
+
+class NFCError {
+    STATIC_ONLY(NFCError);
+
+public:
+    // Required by CallbackPromiseAdapter
+    using WebType = const device::wtf::NFCErrorType&;
+    static DOMException* take(ScriptPromiseResolver*, const device::wtf::NFCErrorType&);
+};
+
+} // namespace blink
+
+#endif // NFCError_h