Convert generated extension bindings to use base::Value::CreateDeepCopy

tools/json_schema_compiler/util.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 "tools/json_schema_compiler/util.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 
 namespace json_schema_compiler {
@@ skipping 142 matching lines @@
   out->Append(new base::StringValue(from));
 }
 
 void AddItemToList(const std::vector<char>& from, base::ListValue* out) {
   out->Append(
       base::BinaryValue::CreateWithCopiedBuffer(from.data(), from.size()));
 }
 
 void AddItemToList(const std::unique_ptr<base::Value>& from,
                    base::ListValue* out) {
-  out->Append(from->DeepCopy());
+  out->Append(from->CreateDeepCopy());
 }
 
 void AddItemToList(const std::unique_ptr<base::DictionaryValue>& from,
                    base::ListValue* out) {
-  out->Append(static_cast<base::Value*>(from->DeepCopy()));
+  out->Append(from->CreateDeepCopy());
 }
 
 std::string ValueTypeToString(base::Value::Type type) {
   switch (type) {
     case base::Value::TYPE_NULL:
       return "null";
     case base::Value::TYPE_BOOLEAN:
       return "boolean";
     case base::Value::TYPE_INTEGER:
       return "integer";
     case base::Value::TYPE_DOUBLE:
       return "number";
     case base::Value::TYPE_STRING:
       return "string";
     case base::Value::TYPE_BINARY:
       return "binary";
     case base::Value::TYPE_DICTIONARY:
       return "dictionary";
     case base::Value::TYPE_LIST:
       return "list";
   }
   NOTREACHED();
   return "";
 }
 
 }  // namespace util
 }  // namespace json_schema_compiler