mParserToUnblock(nsnull), mURI(aURI), mSheet(aSheet),
mURL(aURL), mTitle(aTitle), mMedia(aMedia), mDefaultNameSpaceID(aDefaultNameSpaceID), mSheetIndex(aDocIndex), mOwningElement(aOwner), mParserToUnblock(aParserToUnblock), mDidBlockParser(PR_FALSE), mParentSheet(nsnull),
SheetLoadData::SheetLoadData(CSSLoaderImpl* aLoader,                             nsIURI* aURI,                             nsICSSStyleSheet* aSheet,                             SheetLoadData* aParentData,                             nsICSSLoaderObserver* aObserver)  : mLoader(aLoader),    mParserToUnblock(nsnull),    mURI(aURI),    mSheet(aSheet),    mNext(nsnull),    mParentData(aParentData),    mPendingChildren(0),    mSyncLoad(PR_FALSE),    mIsAgent(PR_FALSE),    mIsLoading(PR_FALSE),    mIsCancelled(PR_FALSE),    mOwningElement(nsnull),    mObserver(aObserver){  NS_PRECONDITION(mLoader, "Must have a loader!");  NS_ADDREF(mLoader);  if (mParentData) {    NS_ADDREF(mParentData);    mSyncLoad = mParentData->mSyncLoad;    mIsAgent = mParentData->mIsAgent;    ++(mParentData->mPendingChildren);  }}