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

extensions/renderer/argument_spec.cc

 // Copyright 2016 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 "extensions/renderer/argument_spec.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "content/public/child/v8_value_converter.h"
@@ skipping 42 matching lines @@
     return;
   }
 
   {
     const base::ListValue* choices = nullptr;
     if (dict->GetList("choices", &choices)) {
       DCHECK(!choices->empty());
       type_ = ArgumentType::CHOICES;
       choices_.reserve(choices->GetSize());
       for (const auto& choice : *choices)
-        choices_.push_back(base::MakeUnique<ArgumentSpec>(choice));
+        choices_.push_back(base::MakeUnique<ArgumentSpec>(*choice));
       return;
     }
   }
 
   std::string type_string;
   CHECK(dict->GetString("type", &type_string));
   if (type_string == "integer")
     type_ = ArgumentType::INTEGER;
   else if (type_string == "number")
     type_ = ArgumentType::DOUBLE;
@@ skipping 363 matching lines @@
       return false;
     }
     if (type_ == ArgumentType::BINARY)
       DCHECK_EQ(base::Value::Type::BINARY, converted->GetType());
     *out_value = std::move(converted);
   }
   return true;
 }
 
 }  // namespace extensions