MAGETWO-53170: Add/Remove product actions are not observed by update cart qty event

Author: Yaroslav Onischenko

app/code/Magento/Checkout/CustomerData/DefaultItem.php

@@ -75,6 +75,7 @@ protected function doGetItemData()
             'product_url' => $this->getProductUrl(),
             'product_has_url' => $this->hasProductUrl(),
             'product_price' => $this->checkoutHelper->formatPrice($this->item->getCalculationPrice()),
+            'product_price_value' => $this->item->getCalculationPrice(),
             'product_image' => [
                 'src' => $imageHelper->getUrl(),
                 'alt' => $imageHelper->getLabel(),

app/code/Magento/Checkout/Test/Unit/CustomerData/DefaultItemTest.php

@@ -85,6 +85,7 @@ public function testGetItemData()
         $this->assertArrayHasKey('product_url', $itemData);
         $this->assertArrayHasKey('product_has_url', $itemData);
         $this->assertArrayHasKey('product_price', $itemData);
+        $this->assertArrayHasKey('product_price_value', $itemData);
         $this->assertArrayHasKey('product_image', $itemData);
         $this->assertArrayHasKey('canApplyMsrp', $itemData);
     }