Fix crash of ExtensionManagement in guest mode

chrome/browser/extensions/extension_management.cc

Index: chrome/browser/extensions/extension_management.cc
diff --git a/chrome/browser/extensions/extension_management.cc b/chrome/browser/extensions/extension_management.cc
index abb4d90d6542f941df4e04b00cee67a25fb26390..4fc78f7a62c58985d1511c1358dc37f2b5d5174b 100644
--- a/chrome/browser/extensions/extension_management.cc
+++ b/chrome/browser/extensions/extension_management.cc
@@ -10,6 +10,7 @@
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/external_provider_impl.h"
 #include "chrome/browser/extensions/standard_management_policy_provider.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/crx_file/id_util.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
@@ -250,4 +251,9 @@ KeyedService* ExtensionManagementFactory::BuildServiceInstanceFor(
       Profile::FromBrowserContext(context)->GetPrefs());
 }
 
+content::BrowserContext* ExtensionManagementFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextRedirectedInIncognito(context);
+}
+
 }  // namespace extensions