Revert "Tempolarily exclude extensions API that are causing crash on Athena"

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 3fcdbf99617d261f79998dc1e29f4dd4d6335c57..69ed0ea4bbd106beafaf700bac5c79dc74695fc4 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -452,9 +452,7 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   DriveAppMapping::RegisterProfilePrefs(registry);
   extensions::CommandService::RegisterProfilePrefs(registry);
   extensions::ExtensionSettingsHandler::RegisterProfilePrefs(registry);
-#if !defined(USE_ATHENA)
   extensions::TabsCaptureVisibleTabFunction::RegisterProfilePrefs(registry);
-#endif
   first_run::RegisterProfilePrefs(registry);
   gcm::GCMChannelStatusSyncer::RegisterProfilePrefs(registry);
   NewTabUI::RegisterProfilePrefs(registry);