Experiment with hiding <script>'s 'nonce' content attribute.

third_party/WebKit/Source/core/svg/SVGScriptElement.h

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 28 matching lines @@
 
  public:
   static SVGScriptElement* create(Document&, bool wasInsertedByParser);
 
   ScriptLoader* loader() const { return m_loader.get(); }
 
 #if DCHECK_IS_ON()
   bool isAnimatableAttribute(const QualifiedName&) const override;
 #endif
 
+  // ScriptLoaderClient
+  AtomicString nonce() const override { return m_nonce; }
+  void setNonce(const String& nonce) override { m_nonce = AtomicString(nonce); }
+  void clearNonce() override { m_nonce = nullAtom; }
+
   DECLARE_VIRTUAL_TRACE();
 
  private:
   SVGScriptElement(Document&, bool wasInsertedByParser, bool alreadyStarted);
 
   void parseAttribute(const AttributeModificationParams&) override;
   InsertionNotificationRequest insertedInto(ContainerNode*) override;
   void didNotifySubtreeInsertionsToDocument() override;
   void childrenChanged(const ChildrenChange&) override;
   void didMoveToNewDocument(Document& oldDocument) override;
@@ skipping 14 matching lines @@
   bool asyncAttributeValue() const override;
   bool deferAttributeValue() const override;
   bool hasSourceAttribute() const override;
 
   void dispatchLoadEvent() override;
 
   Element* cloneElementWithoutAttributesAndChildren() override;
   bool layoutObjectIsNeeded(const ComputedStyle&) override { return false; }
 
   Member<ScriptLoader> m_loader;
+  AtomicString m_nonce;
 };
 
 }  // namespace blink
 
 #endif  // SVGScriptElement_h