mInnerWindow(nsnull), mOuterWindow(aOuterWindow)
mIsInnerWindow(aOuterWindow != nsnull), mInnerWindow(nsnull), mOuterWindow(aOuterWindow)
  nsPIDOMWindow(nsPIDOMWindow *aOuterWindow)    : mFrameElement(nsnull), mRunningTimeout(nsnull), mMutationBits(0),      mIsDocumentLoaded(PR_FALSE), mIsHandlingResizeEvent(PR_FALSE),      mInnerWindow(nsnull), mOuterWindow(aOuterWindow)  {  }