Chromecast: adds stability metrics provider to track crashes.

chromecast/metrics/cast_metrics_prefs.cc

 // Copyright 2014 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 "chromecast/metrics/cast_metrics_prefs.h"
 
+#include "chromecast/metrics/cast_stability_metrics_provider.h"
 #include "components/metrics/metrics_service.h"
 
 namespace chromecast {
 namespace metrics {
 
 void RegisterPrefs(PrefRegistrySimple* registry) {
   ::metrics::MetricsService::RegisterPrefs(registry);
+  metrics::CastStabilityMetricsProvider::RegisterPrefs(registry);
 }
 
 }  // namespace metrics
 }  // namespace chromecast