MAGETWO-66050: Remove usages of unserialize in Magento/Framework/View

Author: rganin

lib/internal/Magento/Framework/View/Element/Messages.php

@@ -334,7 +334,7 @@ public function setSecondLevelTagName($tagName)
      */
     public function getCacheKeyInfo()
     {
-        return ['storage_types' => serialize($this->usedStorageTypes)];
+        return ['storage_types' => implode('|', $this->usedStorageTypes)];
     }
 
     /**

lib/internal/Magento/Framework/View/Element/Template/File/Resolver.php

@@ -44,7 +44,7 @@ public function __construct(\Magento\Framework\View\FileSystem $viewFileSystem)
      */
     public function getTemplateFileName($template, $params = [])
     {
-        $key = $template . '_' . serialize($params);
+        $key = $template . '_' . json_encode($params);
         if (!isset($this->_templateFilesMap[$key])) {
             $this->_templateFilesMap[$key] = $this->_viewFileSystem->getTemplateFileName($template, $params);
         }

lib/internal/Magento/Framework/View/Test/Unit/Element/MessagesTest.php

@@ -240,10 +240,10 @@ public function testGetMessageTypes()
 
     public function testGetCacheKeyInfo()
     {
-        $emptyMessagesCacheKey = ['storage_types' => 'a:0:{}'];
+        $emptyMessagesCacheKey = ['storage_types' => ''];
         $this->assertEquals($emptyMessagesCacheKey, $this->messages->getCacheKeyInfo());
 
-        $messagesCacheKey = ['storage_types' => 'a:1:{i:0;s:7:"default";}'];
+        $messagesCacheKey = ['storage_types' => 'default'];
         $this->messages->addStorageType(Manager::DEFAULT_GROUP);
         $this->assertEquals($messagesCacheKey, $this->messages->getCacheKeyInfo());
     }