mFrameArena.FreeFrame(aSize, aPtr);
aSize = PR_ROUNDUP(aSize, 4);   if (aSize < gMaxRecycledSize) { const int   index = aSize >> 2; void*       currentTop = mRecyclers[index]; mRecyclers[index] = aPtr; *((void**)aPtr) = currentTop; }
PresShell::FreeFrame(size_t aSize, void* aPtr){  mFrameArena.FreeFrame(aSize, aPtr);  return NS_OK;}