Remove raw base::DictionaryValue::SetWithoutPathExpansion in //chrome

chrome/test/chromedriver/chrome/log.cc

Index: chrome/test/chromedriver/chrome/log.cc
diff --git a/chrome/test/chromedriver/chrome/log.cc b/chrome/test/chromedriver/chrome/log.cc
index 93024c02e88ccb1f2cb7e1244c0e26247381383a..c428aabb1854ae2520ada25df81dd9aae7074a56 100644
--- a/chrome/test/chromedriver/chrome/log.cc
+++ b/chrome/test/chromedriver/chrome/log.cc
@@ -53,8 +53,7 @@ std::unique_ptr<base::Value> SmartDeepCopy(const base::Value* value) {
       }
       const base::Value* child = NULL;
       dict->GetWithoutPathExpansion(it.key(), &child);
-      dict_copy->SetWithoutPathExpansion(it.key(),
-                                         SmartDeepCopy(child).release());
+      dict_copy->SetWithoutPathExpansion(it.key(), SmartDeepCopy(child));
     }
     return std::move(dict_copy);
   } else if (value->GetAsList(&list)) {