Parse JSON in Blink for CopylessPaste.

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

Index: third_party/WebKit/Source/modules/document_metadata/CopylessPasteExtractor.h
diff --git a/third_party/WebKit/Source/modules/document_metadata/CopylessPasteExtractor.h b/third_party/WebKit/Source/modules/document_metadata/CopylessPasteExtractor.h
index c91e8f2541ae815cf53da2c60a6980f5f9f1a193..7449f558624cc45ab697d650d1eb9bb6a845fcec 100644
--- a/third_party/WebKit/Source/modules/document_metadata/CopylessPasteExtractor.h
+++ b/third_party/WebKit/Source/modules/document_metadata/CopylessPasteExtractor.h
@@ -2,11 +2,11 @@
 // 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
+#ifndef THIRD_PARTY_WEBKIT_SOURCE_MODULES_DOCUMENT_METADATA_COPYLESSPASTEEXTRACTOR_H_
+#define THIRD_PARTY_WEBKIT_SOURCE_MODULES_DOCUMENT_METADATA_COPYLESSPASTEEXTRACTOR_H_
 
 #include "modules/ModulesExport.h"
-#include "wtf/text/WTFString.h"
+#include "public/platform/modules/document_metadata/copyless_paste.mojom-blink.h"
 
 namespace blink {
 
@@ -17,9 +17,9 @@ class Document;
 // has finished parsing.
 class MODULES_EXPORT CopylessPasteExtractor final {
  public:
-  static String extract(Document&);
+  static bool extract(const Document&, mojom::blink::WebPagePtr*);
 };
 
 }  // namespace blink
 
-#endif  // CopylessPasteExtractor_h
+#endif  // THIRD_PARTY_WEBKIT_SOURCE_MODULES_DOCUMENT_METADATA_COPYLESSPASTEEXTRACTOR_H_