MAGETWO-97235: Not all sizes are available in the layered navigation (on Sample Data) with ElasticSearch

Author: dhorytskyi

app/code/Magento/CatalogSearch/Model/Layer/Filter/Attribute.php

@@ -91,12 +91,10 @@ protected function _getItemsData()
             return $this->itemDataBuilder->build();
         }
 
-        $productSize = $productCollection->getSize();
-
         $options = $attribute->getFrontend()
             ->getSelectOptions();
         foreach ($options as $option) {
-            $this->buildOptionData($option, $isAttributeFilterable, $optionsFacetedData, $productSize);
+            $this->buildOptionData($option, $isAttributeFilterable, $optionsFacetedData);
         }
 
         return $this->itemDataBuilder->build();
@@ -108,17 +106,16 @@ protected function _getItemsData()
      * @param array $option
      * @param boolean $isAttributeFilterable
      * @param array $optionsFacetedData
-     * @param int $productSize
      * @return void
      */
-    private function buildOptionData($option, $isAttributeFilterable, $optionsFacetedData, $productSize)
+    private function buildOptionData($option, $isAttributeFilterable, $optionsFacetedData)
     {
         $value = $this->getOptionValue($option);
         if ($value === false) {
             return;
         }
         $count = $this->getOptionCount($value, $optionsFacetedData);
-        if ($isAttributeFilterable && (!$this->isOptionReducesResults($count, $productSize) || $count === 0)) {
+        if ($isAttributeFilterable && $count === 0) {
             return;
         }