WP_Customize_Code_Editor_Control::enqueue()

	public function enqueue() {
		$this->editor_settings = wp_enqueue_code_editor( array_merge(
			array(
				'type' => $this->code_type,
				'codemirror' => array(
					'indentUnit' => 2,
					'tabSize' => 2,
				),
			),
			$this->editor_settings
		) );
	}