Move MetricsStateManager into the Metrics component.

chrome/browser/first_run/first_run_internal_posix.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 "chrome/browser/first_run/first_run_internal.h"
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
@@ skipping 20 matching lines @@
   if (internal::IsOrganicFirstRun() && !local_state_file_exists) {
     if (ShowFirstRunDialog(profile))
       startup_metric_utils::SetNonBrowserUIDisplayed();
   }
 
   // If stats reporting was turned on by the first run dialog then toggle
   // the pref (on Windows, the download is tagged with enable/disable stats so
   // this is POSIX-specific).
   if (GoogleUpdateSettings::GetCollectStatsConsent()) {
     g_browser_process->local_state()->SetBoolean(
-        prefs::kMetricsReportingEnabled, true);
+        metrics::prefs::kMetricsReportingEnabled, true);
   }
 #endif
 }
 
 bool IsFirstRunSentinelPresent() {
   base::FilePath sentinel;
   return !GetFirstRunSentinelFilePath(&sentinel) || base::PathExists(sentinel);
 }
 
 bool ShowPostInstallEULAIfNeeded(installer::MasterPreferences* install_prefs) {
   // The EULA is only handled on Windows.
   return true;
 }
 
 }  // namespace internal
 }  // namespace first_run