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

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

-// 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 WebNFCWatchOptions_h
-#define WebNFCWatchOptions_h
-
-#include "public/platform/WebString.h"
-
-namespace blink {
-
-enum class WebNFCRecordType;
-
-// Enumeration that is mapped to NFCWatchMode as specified in IDL.
-enum class WebNFCWatchMode {
-    WebNFCOnly,
-    Any,
-    ENUM_MAX_VALUE = Any
-};
-
-// Helper wrapper that is used to represent filter for all types of NFC records.
-class WebNFCRecordTypeFilter final {
-public:
-    WebNFCRecordTypeFilter() : m_matchAnyRecord(true) { }
-    explicit WebNFCRecordTypeFilter(const WebNFCRecordType& recordType) :
-        m_matchAnyRecord(false), m_recordType(recordType) { }
-
-    bool matchAnyRecord() const { return m_matchAnyRecord; }
-    WebNFCRecordType recordType() const { return m_recordType; }
-
-private:
-    bool m_matchAnyRecord;
-    WebNFCRecordType m_recordType;
-};
-
-// Contains members of NFCWatchOptions dictionary as specified in the IDL.
-struct WebNFCWatchOptions {
-    WebNFCWatchOptions(const WebString& url = "", const WebNFCRecordTypeFilter& recordFilter = WebNFCRecordTypeFilter(),
-        const WebString& mediaType = "", const WebNFCWatchMode& mode = WebNFCWatchMode::WebNFCOnly)
-    : url(url)
-    , recordFilter(recordFilter)
-    , mediaType(mediaType)
-    , mode(mode)
-    {
-    }
-
-    WebString url;
-    WebNFCRecordTypeFilter recordFilter;
-    WebString mediaType;
-    WebNFCWatchMode mode;
-};
-
-} // namespace blink
-
-#endif // WebNFCWatchOptions_h