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

components/data_reduction_proxy/core/common/data_reduction_proxy_event_store.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_event_store.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 37 matching lines @@
   { #label, data_reduction_proxy::BYPASS_ACTION_TYPE_##label } \
   ,
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_bypass_action_list.h"
 #undef BYPASS_ACTION_TYPE
 };
 
 std::string JoinListValueStrings(base::ListValue* list_value) {
   std::vector<base::StringPiece> values;
   for (const auto& value : *list_value) {
     base::StringPiece value_string;
-    if (!value.GetAsString(&value_string))
+    if (!value->GetAsString(&value_string))
       return std::string();
 
     values.push_back(value_string);
   }
 
   return base::JoinString(values, ";");
 }
 
 }  // namespace
 
@@ skipping 199 matching lines @@
       last_bypass->SetString("url", clean_url.spec());
     }
   }
 
   std::string json;
   base::JSONWriter::Write(*last_bypass.get(), &json);
   return json;
 }
 
 }  // namespace data_reduction_proxy