Move initial metrics gathering tasks out of MetricsService.

chrome/browser/metrics/metrics_services_manager.cc

Index: chrome/browser/metrics/metrics_services_manager.cc
diff --git a/chrome/browser/metrics/metrics_services_manager.cc b/chrome/browser/metrics/metrics_services_manager.cc
index 460797a62a917a2fa2e8afa80f2640f7dd2470ca..351454870c7e53e68c69782943c5a3d613f9669f 100644
--- a/chrome/browser/metrics/metrics_services_manager.cc
+++ b/chrome/browser/metrics/metrics_services_manager.cc
@@ -28,11 +28,20 @@ MetricsServicesManager::~MetricsServicesManager() {
 
 MetricsService* MetricsServicesManager::GetMetricsService() {
   DCHECK(thread_checker_.CalledOnValidThread());
+  return GetMetricsServiceClient()->metrics_service();
+}
+
+ChromeMetricsServiceClient* MetricsServicesManager::GetMetricsServiceClient() {
+  DCHECK(thread_checker_.CalledOnValidThread());
   if (!metrics_service_client_) {
     metrics_service_client_ =
         ChromeMetricsServiceClient::Create(GetMetricsStateManager()).Pass();
   }
-  return metrics_service_client_->metrics_service();
+  return metrics_service_client_.get();
+}
+
+PluginMetricsProvider* MetricsServicesManager::GetPluginMetricsProvider() {
+  return GetMetricsServiceClient()->plugin_metrics_provider();
 }
 
 rappor::RapporService* MetricsServicesManager::GetRapporService() {