Reverted e557500c97a1d2b12c30c5bea9434e6e90bd56fc and edf57fc392e64ab54680b1aec5c9931df8a088e1 which deleted the getRequest() method in HttpCache as this methods is needed in the Esi class.

src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php

@@ -29,6 +29,7 @@ class HttpCache implements HttpKernelInterface
     protected $kernel;
     protected $traces;
     protected $store;
+    protected $request;
     protected $esi;
 
     /**
@@ -116,6 +117,16 @@ class HttpCache implements HttpKernelInterface
         return implode('; ', $log);
     }
 
+    /**
+     * Gets the Request instance associated with the master request.
+     *
+     * @return Symfony\Component\HttpFoundation\Request A Request instance
+     */
+    public function getRequest()
+    {
+        return $this->request;
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -124,6 +135,7 @@ class HttpCache implements HttpKernelInterface
         // FIXME: catch exceptions and implement a 500 error page here? -> in Varnish, there is a built-in error page mechanism
         if (HttpKernelInterface::MASTER_REQUEST === $type) {
             $this->traces = array();
+            $this->request = $request;
         }
 
         $path = $request->getPathInfo();