MAGETWO-48933: use cookies to identify preview version

Author: Dmytro Voskoboinikov

lib/internal/Magento/Framework/Url.php

@@ -800,7 +800,8 @@ public function getUrl($routePath = null, $routeParams = null)
             return $routePath;
         }
 
-        $routeParams = $this->routeParamsPreprocessor->execute($routePath, $routeParams);
+        $routeParams = $this->routeParamsPreprocessor
+            ->execute($this->_scopeResolver->getAreaCode(), $routePath, $routeParams);
 
         $isCached = true;
         $isArray = is_array($routeParams);

lib/internal/Magento/Framework/Url/RouteParamsPreprocessorComposite.php

@@ -26,10 +26,10 @@ public function __construct(array $routeParamsPreprocessors = [])
     /**
      * {@inheritdoc}
      */
-    public function execute($routePath, $routeParams)
+    public function execute($areaCode, $routePath, $routeParams)
     {
         foreach ($this->routeParamsPreprocessors as $preprocessor) {
-            $routeParams = $preprocessor->execute($routePath, $routeParams);
+            $routeParams = $preprocessor->execute($areaCode, $routePath, $routeParams);
         }
 
         return $routeParams;

lib/internal/Magento/Framework/Url/RouteParamsPreprocessorInterface.php

@@ -13,9 +13,10 @@ interface RouteParamsPreprocessorInterface
     /**
      * Processes route params.
      *
+     * @param string $areaCode
      * @param string|null $routePath
      * @param array|null $routeParams
      * @return array|null
      */
-    public function execute($routePath, $routeParams);
+    public function execute($areaCode, $routePath, $routeParams);
 }