Fix crash when shutting down affiliated invalidation service provider

chrome/browser/chromeos/policy/affiliated_invalidation_service_provider_impl.cc

Index: chrome/browser/chromeos/policy/affiliated_invalidation_service_provider_impl.cc
diff --git a/chrome/browser/chromeos/policy/affiliated_invalidation_service_provider_impl.cc b/chrome/browser/chromeos/policy/affiliated_invalidation_service_provider_impl.cc
index ad052be47c858cbd0a0fa741e633b3f8ba5b1c44..52547620b6e916d306e07b3da1c566b5ca4187fa 100644
--- a/chrome/browser/chromeos/policy/affiliated_invalidation_service_provider_impl.cc
+++ b/chrome/browser/chromeos/policy/affiliated_invalidation_service_provider_impl.cc
@@ -209,7 +209,7 @@ void AffiliatedInvalidationServiceProviderImpl::Shutdown() {
 
   registrar_.RemoveAll();
   profile_invalidation_service_observers_.clear();
-  DestroyDeviceInvalidationService();
+  device_invalidation_service_observer_.reset();
 
   if (invalidation_service_) {
     invalidation_service_ = nullptr;
@@ -217,6 +217,8 @@ void AffiliatedInvalidationServiceProviderImpl::Shutdown() {
     // is no longer available.
     SetInvalidationService(nullptr);
   }
+
+  DestroyDeviceInvalidationService();
 }
 
 invalidation::TiclInvalidationService*