Metadata extraction for Copyless Paste

third_party/WebKit/Source/modules/document_metadata/CopylessPasteExtractor.h

+// Copyright 2017 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 CopylessPasteExtractor_h
+#define CopylessPasteExtractor_h
+
+#include "modules/ModulesExport.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class Document;
+
+// Extract structured metadata (currently schema.org in JSON-LD) for the
+// Copyless Paste feature. The extraction must be done after the document
+// has finished parsing.
+class MODULES_EXPORT CopylessPasteExtractor final {
+ public:
+  static String extract(Document&);
+};
+
+}  // namespace blink
+
+#endif  // CopylessPasteExtractor_h