code/Debug/Model/RequestInfo.php
public function initController($controllerAction = null)
    {
        /** @var Sheep_Debug_Model_Controller $controller */
        $controller = Mage::getModel('sheep_debug/controller');
        $controller->init($controllerAction);
        $this->action = $controller;
    }
public function initController($controllerAction = null)
    {
        /** @var Sheep_Debug_Model_Controller $controller */
        $controller = Mage::getModel('sheep_debug/controller');
        $controller->init($controllerAction);
        $this->action = $controller;
    }
Captures information from controller

@param Mage_Core_Controller_Varien_Action $controllerAction