As a follow-up to bug 73227 (landed in r101502), we should tidy up copyNonAttributeProperties() a bit, redo CSSMutableStyleDeclaration's copyPropertiesAndStrictnessFrom() as copyPropertiesFrom(), and make the style declarations non-copyable.
Created attachment 117301 [details] Patch
Comment on attachment 117301 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=117301&action=review > Source/WebCore/css/CSSInlineStyleDeclaration.h:35 > class CSSInlineStyleDeclaration : public CSSElementStyleDeclaration { > + WTF_MAKE_NONCOPYABLE(CSSInlineStyleDeclaration); I think it is sufficient to have this in the base class (some other instances here too).
Committed r101665: <http://trac.webkit.org/changeset/101665>