Adds CastMetricsServiceClient to Chromecast shell.

chromecast/shell/browser/cast_browser_main_parts.cc

Index: chromecast/shell/browser/cast_browser_main_parts.cc
diff --git a/chromecast/shell/browser/cast_browser_main_parts.cc b/chromecast/shell/browser/cast_browser_main_parts.cc
index 72c75440b4f433399427d09fdce7c3de7e4bdddf..192b020583ae4bc38c00886b0839aeaa7891917c 100644
--- a/chromecast/shell/browser/cast_browser_main_parts.cc
+++ b/chromecast/shell/browser/cast_browser_main_parts.cc
@@ -7,6 +7,7 @@
 #include "base/command_line.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "chromecast/common/chromecast_config.h"
+#include "chromecast/metrics/cast_metrics_service_client.h"
 #include "chromecast/net/network_change_notifier_cast.h"
 #include "chromecast/net/network_change_notifier_factory_cast.h"
 #include "chromecast/service/cast_service.h"
@@ -74,6 +75,8 @@ void CastBrowserMainParts::PreMainMessageLoopRun() {
   url_request_context_factory_->InitializeOnUIThread();
 
   browser_context_.reset(new CastBrowserContext(url_request_context_factory_));
+  metrics_service_client_.reset(metrics::CastMetricsServiceClient::Create(
+      browser_context_->GetRequestContext()));
   dev_tools_.reset(new RemoteDebuggingServer());
 
   InitializeWebUI();
@@ -92,6 +95,7 @@ void CastBrowserMainParts::PostMainMessageLoopRun() {
 
   cast_service_.reset();
   dev_tools_.reset();
+  metrics_service_client_.reset();
   browser_context_.reset();
 }