Add a WebDocument::watchCssSelectors(selectors)

Source/core/rendering/style/RenderStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
  *
  * 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.
  *
@@ skipping 670 matching lines @@
         return;
     rareInheritedData.access()->quotes = q;
 }
 
 void RenderStyle::clearCursorList()
 {
     if (rareInheritedData->cursorData)
         rareInheritedData.access()->cursorData = 0;
 }
 
+void RenderStyle::addCallbackSelector(const String& selector)
+{
+    if (!rareNonInheritedData->m_callbackSelectors.contains(selector))
+        rareNonInheritedData.access()->m_callbackSelectors.append(selector);
+}
+
 void RenderStyle::clearContent()
 {
     if (rareNonInheritedData->m_content)
         rareNonInheritedData.access()->m_content = nullptr;
 }
 
 void RenderStyle::appendContent(PassOwnPtr<ContentData> contentData)
 {
     OwnPtr<ContentData>& content = rareNonInheritedData.access()->m_content;
     ContentData* lastContent = content.get();
@@ skipping 863 matching lines @@
     surround.access()->border.m_image.setOutset(outset);
 }
 
 ShapeValue* RenderStyle::initialShapeInside()
 {
     DEFINE_STATIC_LOCAL(RefPtr<ShapeValue>, sOutsideValue, (ShapeValue::createOutsideValue()));
     return sOutsideValue.get();
 }
 
 } // namespace WebCore