ensureShadow     1686 Source/core/dom/Element.cpp     return ensureElementRareData().ensureShadow();
ensureShadow     1739 Source/core/dom/Element.cpp     return PassRefPtr<ShadowRoot>(ensureShadow().addShadowRoot(*this, ShadowRoot::AuthorShadowRoot));
ensureShadow     1773 Source/core/dom/Element.cpp     ShadowRoot& shadowRoot = ensureShadow().addShadowRoot(*this, ShadowRoot::UserAgentShadowRoot);
ensureShadow      330 Source/core/dom/Element.h     ElementShadow& ensureShadow();
ensureShadow       73 Source/core/dom/ElementRareData.h     ElementShadow& ensureShadow()