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