[Ozone-DRI] Convert HardwareDisplayController to use scanout buffers

ui/ozone/platform/dri/screen_manager.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_OZONE_PLATFORM_DRI_SCREEN_MANAGER_H_
 #define UI_OZONE_PLATFORM_DRI_SCREEN_MANAGER_H_
 
 #include <map>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/ozone/platform/dri/hardware_display_controller.h"
 
 typedef struct _drmModeModeInfo drmModeModeInfo;
 
 namespace gfx {
 class Point;
 class Rect;
 class Size;
 }  // namespace gfx
 
 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
   // controller is removed since it was disconnected.
   void RemoveDisplayController(uint32_t crtc, uint32_t connector);
 
   // Configure (and add if not present) a display controller. The display
   // controller is identified by (|crtc|, |connector|) and the controller is
   // modeset using |mode|.
   bool ConfigureDisplayController(uint32_t crtc,
@@ skipping 21 matching lines @@
   // (|crtc|, |connector|).
   HardwareDisplayControllerMap::iterator FindDisplayController(
       uint32_t crtc, uint32_t connector);
 
   // On non CrOS builds there is no display configurator to look-up available
   // displays and initialize the HDCs. In such cases this is called internally
   // to initialize a display.
   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_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenManager);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_SCREEN_MANAGER_H_