Revert of Change base::Value::ListStorage to std::vector<base::Value>

content/browser/browsing_data/clear_site_data_throttle.cc

Index: content/browser/browsing_data/clear_site_data_throttle.cc
diff --git a/content/browser/browsing_data/clear_site_data_throttle.cc b/content/browser/browsing_data/clear_site_data_throttle.cc
index eec778fefe8817f0cd238840f61ac4629ed37840..00e57cef1fd0bd7e7047934bcbee01ab5977f7ab 100644
--- a/content/browser/browsing_data/clear_site_data_throttle.cc
+++ b/content/browser/browsing_data/clear_site_data_throttle.cc
@@ -206,9 +206,9 @@
   *clear_cache = false;
 
   std::vector<std::string> type_names;
-  for (const base::Value& value : *types) {
+  for (const std::unique_ptr<base::Value>& value : *types) {
     std::string type;
-    value.GetAsString(&type);
+    value->GetAsString(&type);
 
     bool* datatype = nullptr;
 
@@ -221,7 +221,7 @@
     } else {
       std::string serialized_type;
       JSONStringValueSerializer serializer(&serialized_type);
-      serializer.Serialize(value);
+      serializer.Serialize(*value);
       ConsoleLog(
           messages, current_url_,
           base::StringPrintf("Invalid type: %s.", serialized_type.c_str()),