Unify metrics_collection and metrics_daemon into metrics.

src/platform/metrics/metrics_client.cc

 // Copyright (c) 2010 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 <errno.h>
 #include <sys/file.h>
 #include <string.h>
 #include <stdio.h>
 
 #include <cstdlib>
 #include <iostream>
 
-#include "platform/metrics_collection/metrics_library.h"
+#include "metrics_library.h"
 
 using namespace std;
 
 // Usage:  metrics_client [-ab] metric_name metric_value
 int main(int argc, char** argv) {
   bool send_to_autotest = false;
   bool send_to_chrome = true;
   int metric_name_index = 1;
   int metric_value_index = 2;
   bool print_usage = false;
@@ skipping 40 matching lines @@
   if (send_to_autotest) {
     MetricsLibrary::SendToAutotest(argv[metric_name_index],
                                    argv[metric_value_index]);
   }
   if (send_to_chrome) {
     MetricsLibrary::SendToChrome(argv[metric_name_index],
                                  argv[metric_value_index]);
   }
   return 0;
 }