style = mDebugInner->mVerticalDebugStyle;
style = nsBoxDebug::gInstance->mVerticalDebugStyle;
nsBoxFrameInner::GetDebugInset(nsMargin& inset){    inset.SizeTo(0,0,0,0);    if (nsBoxDebugInner::gDebug > 0)     {        nsIStyleContext* style;        if (mOuter->mState & NS_STATE_IS_HORIZONTAL)            style = mDebugInner->mHorizontalDebugStyle;        else            style = mDebugInner->mVerticalDebugStyle;        if (style == nsnull)            return;        const nsStyleSpacing* debugSpacing =        (const nsStyleSpacing*)style->GetStyleData(eStyleStruct_Spacing);        debugSpacing->GetBorderPadding(inset);        nsMargin margin(0,0,0,0);        debugSpacing->GetMargin(margin);        inset += margin;    }}