mPendingReflowEvent = PR_FALSE; mDocumentIsLoading = PR_TRUE;
mPendingReflowEvent = PR_FALSE;
PresShell::PresShell():mStackArena(nsnull){  NS_INIT_REFCNT();  mIsDestroying = PR_FALSE;  mCaretEnabled = PR_FALSE;  mDisplayNonTextSelection = PR_FALSE;  mCurrentEventContent = nsnull;  mCurrentEventFrame = nsnull;  EnableScrolling();#ifdef NS_DEBUG  mCurrentTargetView = nsnull;#endif  mPendingReflowEvent = PR_FALSE;    mDocumentIsLoading = PR_TRUE;  mBatchReflows = PR_FALSE;#ifdef DEBUG_nisheeth  mReflows = 0;  mDiscardedReflowCommands = 0;#endif  mSubShellMap = nsnull;}