Convert callers of base::DeepCopy() to base::CreateDeepCopy() in //base

base/json/json_reader.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 "base/json/json_reader.h"
 
 #include "base/json/json_parser.h"
 #include "base/logging.h"
-#include "base/memory/ptr_util.h"
 #include "base/values.h"
 
 namespace base {
 
 // Values 1000 and above are used by JSONFileValueSerializer::JsonFileError.
 static_assert(JSONReader::JSON_PARSE_ERROR_COUNT < 1000,
               "JSONReader error out of bounds");
 
 const char JSONReader::kInvalidEscape[] =
     "Invalid escape sequence.";
@@ skipping 17 matching lines @@
 }
 
 JSONReader::JSONReader(int options)
     : parser_(new internal::JSONParser(options)) {
 }
 
 JSONReader::~JSONReader() {
 }
 
 // static
-std::unique_ptr<Value> JSONReader::Read(const StringPiece& json) {
+std::unique_ptr<Value> JSONReader::Read(StringPiece json) {
   internal::JSONParser parser(JSON_PARSE_RFC);
-  return WrapUnique(parser.Parse(json));
+  return parser.Parse(json);

[danakj, 2016/04/28 17:39:37]

nit: move all the StringPieces?

[dcheng, 2016/04/28 18:03:23]

See previous.

 }
 
 // static
-std::unique_ptr<Value> JSONReader::Read(const StringPiece& json, int options) {
+std::unique_ptr<Value> JSONReader::Read(StringPiece json, int options) {
   internal::JSONParser parser(options);
-  return WrapUnique(parser.Parse(json));
+  return parser.Parse(json);
 }
 
 
 // static
 std::unique_ptr<Value> JSONReader::ReadAndReturnError(
     const StringPiece& json,
     int options,
     int* error_code_out,
     std::string* error_msg_out,
     int* error_line_out,
@@ skipping 34 matching lines @@
     case JSON_UNSUPPORTED_ENCODING:
       return kUnsupportedEncoding;
     case JSON_UNQUOTED_DICTIONARY_KEY:
       return kUnquotedDictionaryKey;
     default:
       NOTREACHED();
       return std::string();
   }
 }
 
-std::unique_ptr<Value> JSONReader::ReadToValue(const std::string& json) {
-  return WrapUnique(parser_->Parse(json));
+std::unique_ptr<Value> JSONReader::ReadToValue(StringPiece json) {
+  return parser_->Parse(json);
 }
 
 JSONReader::JsonParseError JSONReader::error_code() const {
   return parser_->error_code();
 }
 
 std::string JSONReader::GetErrorMessage() const {
   return parser_->GetErrorMessage();
 }
 
 }  // namespace base