[webnfc] Add public interfaces.

third_party/WebKit/public/platform/modules/nfc/WebNFCPushOptions.h

Index: third_party/WebKit/public/platform/modules/nfc/WebNFCPushOptions.h
diff --git a/third_party/WebKit/public/platform/modules/nfc/WebNFCPushOptions.h b/third_party/WebKit/public/platform/modules/nfc/WebNFCPushOptions.h
new file mode 100644
index 0000000000000000000000000000000000000000..9ba6658bdbe3eed18ee8c73d8ad5ec021aac5e6c
--- /dev/null
+++ b/third_party/WebKit/public/platform/modules/nfc/WebNFCPushOptions.h
@@ -0,0 +1,26 @@
+// Copyright 2015 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 WebNFCPushOptions_h
+#define WebNFCPushOptions_h
+
+#include "public/platform/modules/nfc/WebNFCPushTarget.h"
+
+namespace blink {
+
+// Contains members of NFCPushOption dictionary as specified in the IDL.
+struct WebNFCPushOptions {
+    WebNFCPushOptions(const WebNFCPushTarget& target = WebNFCPushTarget::Any, double timeout = std::numeric_limits<double>::infinity(), bool ignoreRead = true)
+        : target(target), timeout(timeout), ignoreRead(ignoreRead)
+    {
+    }
+
+    WebNFCPushTarget target;
+    double timeout; // in milliseconds
+    bool ignoreRead;
+};
+
+} // namespace blink
+
+#endif // WebNFCPushOptions_h