Convert //components/[u-z]* from scoped_ptr to std::unique_ptr

components/web_resource/promo_resource_service_unittest.cc

Index: components/web_resource/promo_resource_service_unittest.cc
diff --git a/components/web_resource/promo_resource_service_unittest.cc b/components/web_resource/promo_resource_service_unittest.cc
index c283523fa7872ba25c6b087d24a90c0de29eda78..a85f78593bbde1d79175ac247b810d44f6fab670 100644
--- a/components/web_resource/promo_resource_service_unittest.cc
+++ b/components/web_resource/promo_resource_service_unittest.cc
@@ -4,6 +4,7 @@
 
 #include <stddef.h>
 
+#include <memory>
 #include <utility>
 #include <vector>
 
@@ -328,7 +329,7 @@ class NotificationPromoTest : public testing::Test {
   base::MessageLoop loop_;
   NotificationPromo notification_promo_;
   bool received_notification_;
-  scoped_ptr<base::DictionaryValue> test_json_;
+  std::unique_ptr<base::DictionaryValue> test_json_;
 
   NotificationPromo::PromoType promo_type_;
   std::string promo_text_;