shouldInheritSecurityOriginFromOwner 4633 Source/core/dom/Document.cpp if (!shouldInheritSecurityOriginFromOwner(m_url)) shouldInheritSecurityOriginFromOwner 4662 Source/core/dom/Document.cpp if (m_frame && m_frame->tree().parent() && (shouldInheritSecurityOriginFromOwner(m_url) || isPluginDocument()))