Clean up to move NewStringCopy from util to chromoes/string.

src/common/chromeos/string.cc

 // Copyright (c) 2009 The Chromium OS 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 <chromeos/string.h>
 
+#include <cstring>
+
 #include <pcrecpp.h>
-
 #include "base/logging.h"
 
 namespace chromeos {
 
 void SplitString(const std::string& str, std::vector<std::string>* parts) {
   CHECK(parts);
   parts->clear();
   static pcrecpp::RE re("\\s*(\\S+)");
   pcrecpp::StringPiece input(str);
 
@@ skipping 19 matching lines @@
     if (delim_pos == std::string::npos) {
       delim_pos = str.size();
     }
     if (delim_pos > start) {
       parts->push_back(str.substr(start, delim_pos - start));
     }
     start = delim_pos + delim.size();
   }
 }
 
+char* NewStringCopy(const char* x) {
+  char* result = static_cast<char*>(::operator new(std::strlen(x) + 1));
+  std::strcpy(result, x);  // NOLINT
+  return result;
+}
+
 }  // namespace chromeos