Actionscript 3 :: TextField Not Appearing In Sprite?

I have a sprite that contains a textfield. Then, I want to create a second sprite ("containerSprite") which is the same size as the textfield. That's not difficult and works fine.

Now I want to add a third sprite ("innerSprite") to containerSprite. I need this third sprite because I'm going to use it for drag and drop purposes. I add a textfield to it, and I want the textfield to be the same width as both containerSprite and innerSprite. Depending on how much text is in the textfield, I need innerSprite to resize its height accordingly.

package
{
import flash.display.Sprite;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFieldType;

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