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

base/json/json_parser.h

 // 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.
 
 #ifndef BASE_JSON_JSON_PARSER_H_
 #define BASE_JSON_JSON_PARSER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 
 #include "base/base_export.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/json/json_reader.h"
 #include "base/macros.h"
 #include "base/strings/string_piece.h"
 
 namespace base {
@@ skipping 22 matching lines @@
 // of a token, such that the next iteration of the parser will be at the byte
 // immediately following the token, which would likely be the first byte of the
 // next token.
 class BASE_EXPORT JSONParser {
  public:
   explicit JSONParser(int options);
   ~JSONParser();
 
   // Parses the input string according to the set options and returns the
   // result as a Value owned by the caller.
-  Value* Parse(const StringPiece& input);
+  std::unique_ptr<Value> Parse(StringPiece input);
 
   // Returns the error code.
   JSONReader::JsonParseError error_code() const;
 
   // Returns the human-friendly error message.
   std::string GetErrorMessage() const;
 
   // Returns the error line number if parse error happened. Otherwise always
   // returns 0.
   int error_line() const;
@@ skipping 192 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(JSONParserTest, ConsumeNumbers);
   FRIEND_TEST_ALL_PREFIXES(JSONParserTest, ErrorMessages);
 
   DISALLOW_COPY_AND_ASSIGN(JSONParser);
 };
 
 }  // namespace internal
 }  // namespace base
 
 #endif  // BASE_JSON_JSON_PARSER_H_