Changes to include metrics collection package in system and no-op script customizable by overlay

src/platform/metrics_collection/metrics_client.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 "platform/metrics_collection/metrics_client.h"
 #include <errno.h>
 #include <sys/file.h>
 #include <string.h>
 #include <stdio.h>
+#include <cstdlib>
 #include <iostream>
 #include "platform/metrics_collection/metrics_library.h"
 
 using namespace std;
 
 void MetricsClient::ParseFile(FILE *input) {
   // Open both Chrome and autotest files
   bool autotest_file_opened = true;
   bool chrome_file_opened = true;
   FILE *autotest_file = fopen(kAutotestPath, "a+");
@@ skipping 116 matching lines @@
       MetricsLibrary::SendToAutotest(argv[metric_name_index],
                                      argv[metric_value_index], NULL);
     }
     if (send_to_chrome) {
       MetricsLibrary::SendToChrome(argv[metric_name_index],
                                    argv[metric_value_index], -1);
     }
   }
   return 0;
 }