Work In Progess

services/ui/display/screen_manager_ozone_internal.h

Index: services/ui/display/screen_manager_ozone_internal.h
diff --git a/services/ui/display/screen_manager_ozone_internal.h b/services/ui/display/screen_manager_ozone_internal.h
index bb9abff09d09dff97bd0ab29518847449a833817..37972c5f8df8fbb7feef30847f9e0c08ddb42126 100644
--- a/services/ui/display/screen_manager_ozone_internal.h
+++ b/services/ui/display/screen_manager_ozone_internal.h
@@ -24,6 +24,10 @@
 #include "ui/display/manager/display_manager.h"
 #include "ui/display/types/display_constants.h"
 
+#include "components/prefs/pref_store.h"
+#include "services/preferences/public/cpp/pref_client_store.h"
+#include "services/service_manager/public/cpp/connector.h"
+
 namespace display {
 
 class DisplayChangeObserver;
@@ -42,7 +46,8 @@ class ScreenManagerOzoneInternal
       public DisplayManager::Delegate,
       public service_manager::InterfaceFactory<mojom::DisplayController>,
       public service_manager::InterfaceFactory<mojom::OutputProtection>,
-      public service_manager::InterfaceFactory<mojom::TestDisplayController> {
+      public service_manager::InterfaceFactory<mojom::TestDisplayController>,
+      public PrefStore::Observer {
  public:
   ScreenManagerOzoneInternal();
   ~ScreenManagerOzoneInternal() override;
@@ -72,6 +77,10 @@ class ScreenManagerOzoneInternal
   void RelinquishDisplayControl(
       const RelinquishDisplayControlCallback& callback) override;
 
+  void OnPrefValueChanged(const std::string& key) override;
+  void OnInitializationCompleted(bool succeeded) override;
+  base::DictionaryValue* changed_prefs() { return &changed_prefs_; }
+
  private:
   friend class ScreenManagerOzoneInternalTest;
 
@@ -129,6 +138,13 @@ class ScreenManagerOzoneInternal
   mojo::BindingSet<mojom::DisplayController> controller_bindings_;
   mojo::BindingSet<mojom::TestDisplayController> test_bindings_;
 
+  service_manager::mojom::ConnectorRequest connector_request;
+  std::unique_ptr<service_manager::Connector> connector_;
+  prefs::mojom::PreferencesServiceFactoryPtr pref_factory_ptr;
+  scoped_refptr<preferences::PrefClientStore> pref_client_store_;
+  base::DictionaryValue changed_prefs_;
+  bool initialization_completed_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(ScreenManagerOzoneInternal);
 };