This patch improves the way that GuestViewManager tracks the destruction of GuestView embedders.

extensions/browser/api/declarative/rules_registry_service.cc

Index: extensions/browser/api/declarative/rules_registry_service.cc
diff --git a/extensions/browser/api/declarative/rules_registry_service.cc b/extensions/browser/api/declarative/rules_registry_service.cc
index 939b01eab2ae33b92bdf779c059582e6ae5ee6ab..a5af632e615a1ad6577e4f7ecf9c79d87fa52698 100644
--- a/extensions/browser/api/declarative/rules_registry_service.cc
+++ b/extensions/browser/api/declarative/rules_registry_service.cc
@@ -137,6 +137,14 @@ RulesRegistryService* RulesRegistryService::Get(
   return BrowserContextKeyedAPIFactory<RulesRegistryService>::Get(context);
 }
 
+// static
+RulesRegistryService* RulesRegistryService::Get(
+    content::BrowserContext* context,
+    bool create) {
+  return BrowserContextKeyedAPIFactory<RulesRegistryService>::Get(context,
+                                                                  create);
+}
+
 void RulesRegistryService::RegisterRulesRegistry(
     scoped_refptr<RulesRegistry> rule_registry) {
   const std::string event_name(rule_registry->event_name());