/**
  * Check cache settings for specific block type and associate block to container if needed
  *
  * @param Varien_Event_Observer $observer
  * @deprecated after 1.8
  * @return Enterprise_PageCache_Model_Observer
  */
 public function blockCreateAfter(Varien_Event_Observer $observer)
 {
     if (!$this->_isEnabled) {
         return $this;
     }
     $block = $observer->getEvent()->getBlock();
     $placeholder = $this->_config->getBlockPlaceholder($block);
     if ($placeholder) {
         $block->setFrameTags($placeholder->getStartTag(), $placeholder->getEndTag());
     }
     return $this;
 }