[Content] Update V8ValueConverter::create to return a std::unique_ptr

content/child/v8_value_converter_impl.cc

 // Copyright (c) 2012 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 "content/child/v8_value_converter_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <cmath>
@@ skipping 157 matching lines @@
 
  private:
   typedef std::multimap<int, v8::Local<v8::Object> > HashToHandleMap;
   V8ValueConverterImpl::FromV8ValueState* state_;
   v8::Local<v8::Object> value_;
   bool is_valid_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedUniquenessGuard);
 };
 
-V8ValueConverter* V8ValueConverter::create() {
-  return new V8ValueConverterImpl();
+std::unique_ptr<V8ValueConverter> V8ValueConverter::Create() {
+  return base::MakeUnique<V8ValueConverterImpl>();
 }
 
 V8ValueConverterImpl::V8ValueConverterImpl()
     : date_allowed_(false),
       reg_exp_allowed_(false),
       function_allowed_(false),
       strip_null_from_objects_(false),
       convert_negative_zero_to_int_(false),
       avoid_identity_hash_for_testing_(false),
       strategy_(NULL) {}
@@ skipping 426 matching lines @@
       continue;
 
     result->SetWithoutPathExpansion(std::string(*name_utf8, name_utf8.length()),
                                     std::move(child));
   }
 
   return std::move(result);
 }
 
 }  // namespace content