Bug 407449 - After an unsuccessful drag&drop action multiple folders/bookmarks can be highlighted in Places Organizer. r=enn, sr=roc.

layout/xul/base/src/tree/src/nsTreeBodyFrame.cpp

@@ -685,13 +685,7 @@ nsTreeBodyFrame::InvalidateRow(PRInt32 aIndex)
     return NS_OK;
 
   nsRect rowRect(mInnerBox.x, mInnerBox.y+mRowHeight*aIndex, mInnerBox.width, mRowHeight);
-#ifdef XP_MACOSX
-  // Mac can't process the event loop during a drag, so if we're dragging,
-  // invalidate synchronously.
-  nsLeafBoxFrame::Invalidate(rowRect, mSlots && mSlots->mDragSession ? PR_TRUE : PR_FALSE);
-#else
   nsLeafBoxFrame::Invalidate(rowRect, PR_FALSE);
-#endif
 
   return NS_OK;
 }
@@ -3908,19 +3902,6 @@ nsresult nsTreeBodyFrame::ScrollToRowInternal(const ScrollParts& aParts, PRInt32
 {
   ScrollInternal(aParts, aRow);
 
-#ifdef XP_MACOSX
-  // mac can't process the event loop during a drag, so if we're dragging,
-  // grab the scroll widget and make it paint synchronously. This is
-  // sorta slow (having to paint the entire tree), but it works.
-  if (mSlots && mSlots->mDragSession && aParts.mVScrollbar) {
-    nsIFrame* frame;
-    CallQueryInterface(aParts.mVScrollbar, &frame);
-    nsIWidget* scrollWidget = frame->GetWindow();
-    if (scrollWidget)
-      scrollWidget->Invalidate(PR_TRUE);
-  }
-#endif
-
   return NS_OK;
 }