[Ozone-DRI] Convert HardwareDisplayController to use scanout buffers

ui/ozone/platform/dri/screen_manager.h

Index: ui/ozone/platform/dri/screen_manager.h
diff --git a/ui/ozone/platform/dri/screen_manager.h b/ui/ozone/platform/dri/screen_manager.h
index 085d32469fb57f6b44ce798af16bd327086a15c2..9cbc557d22889903055d9202c69b7f3b8afaa567 100644
--- a/ui/ozone/platform/dri/screen_manager.h
+++ b/ui/ozone/platform/dri/screen_manager.h
@@ -23,12 +23,12 @@ class Size;
 namespace ui {
 
 class DriWrapper;
-class ScanoutSurfaceGenerator;
+class ScanoutBufferGenerator;
 
 // Responsible for keeping track of active displays and configuring them.
 class ScreenManager {
  public:
-  ScreenManager(DriWrapper* dri, ScanoutSurfaceGenerator* surface_generator);
+  ScreenManager(DriWrapper* dri, ScanoutBufferGenerator* surface_generator);
   virtual ~ScreenManager();
 
   // Remove a display controller from the list of active controllers. The
@@ -70,7 +70,7 @@ class ScreenManager {
   virtual void ForceInitializationOfPrimaryDisplay();
 
   DriWrapper* dri_;  // Not owned.
-  ScanoutSurfaceGenerator* surface_generator_;  // Not owned.
+  ScanoutBufferGenerator* buffer_generator_;  // Not owned.
   // Mapping between an accelerated widget and an active display.
   HardwareDisplayControllerMap controllers_;
   gfx::AcceleratedWidget last_added_widget_;