nsAttributeContent::CopyText(nsString& aResult)
nsAttributeContent::CopyText(nsAWritableString& aResult)
nsAttributeContent::CopyText(nsString& aResult){  ValidateTextFragment();  if (mText.Is2b()) {    aResult.Assign(mText.Get2b(), mText.GetLength());  }  else {    aResult.AssignWithConversion(mText.Get1b(), mText.GetLength());  }  return NS_OK;}