Update to Chromium version 101.0.4951.0 (#982481)

Known issues:
- chrome: Some ceftests are failing due to bfcache same-site enabled by default
  (see issue #3301)

libcef/browser/extensions/extensions_api_client.h

@@ -34,8 +34,7 @@ class CefExtensionsAPIClient : public ExtensionsAPIClient {
   void AddAdditionalValueStoreCaches(
       content::BrowserContext* context,
       const scoped_refptr<value_store::ValueStoreFactory>& factory,
-      const scoped_refptr<base::ObserverListThreadSafe<SettingsObserver>>&
-          observers,
+      SettingsChangedCallback observer,
       std::map<settings_namespace::Namespace, ValueStoreCache*>* caches)
       override;