mInner = new CSSStyleSheetInner(this);
mInner->AddSheet(this);
CSSStyleSheetImpl::CSSStyleSheetImpl()  : nsICSSStyleSheet(),    mTitle(),     mMedia(nsnull),    mFirstChild(nsnull),     mNext(nsnull),    mParent(nsnull),    mImportsCollection(nsnull),    mRuleCollection(nsnull),    mDocument(nsnull),    mOwningNode(nsnull),    mDisabled(PR_FALSE),    mDirty(PR_FALSE),    mScriptObject(nsnull){  MOZ_COUNT_CTOR(CSSStyleSheetImpl);  NS_INIT_REFCNT();  mInner = new CSSStyleSheetInner(this);#ifdef DEBUG_REFS  ++gInstanceCount;  fprintf(stdout, "%d + CSSStyleSheet size: %d\n", gInstanceCount, sizeof(*this));#endif}