arc: ARC loading progress should not be shown when started from OOBE.

chrome/browser/chromeos/login/screens/arc_terms_of_service_screen.cc

Index: chrome/browser/chromeos/login/screens/arc_terms_of_service_screen.cc
diff --git a/chrome/browser/chromeos/login/screens/arc_terms_of_service_screen.cc b/chrome/browser/chromeos/login/screens/arc_terms_of_service_screen.cc
index 1da3072521b8c3086275456054483620c1aaf631..40266e7152c9996029347c332ec990f1a7b6757d 100644
--- a/chrome/browser/chromeos/login/screens/arc_terms_of_service_screen.cc
+++ b/chrome/browser/chromeos/login/screens/arc_terms_of_service_screen.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/chromeos/login/screens/arc_terms_of_service_screen.h"
 
+#include "chrome/browser/chromeos/arc/arc_session_manager.h"
 #include "chrome/browser/chromeos/login/screens/base_screen_delegate.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/metrics/metrics_reporting_state.h"
@@ -55,6 +56,14 @@ void ArcTermsOfServiceScreen::OnAccept() {
 
 void ArcTermsOfServiceScreen::ApplyTerms(bool accepted) {
   Profile* profile = ProfileManager::GetActiveUserProfile();
+
+  if (accepted) {
+    arc::ArcSessionManager* session_manager = arc::ArcSessionManager::Get();
+    DCHECK_EQ(session_manager->profile(), profile);
+    if (session_manager->support_host())
+      session_manager->support_host()->SetSilentMode();
+  }
+
   profile->GetPrefs()->SetBoolean(prefs::kArcTermsAccepted, accepted);
   profile->GetPrefs()->SetBoolean(prefs::kArcEnabled, accepted);