Propagate supported scanout formats from driver to SurfaceFactoryOzone.

ui/ozone/platform/drm/gpu/drm_gpu_display_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_DRM_GPU_DRM_GPU_DISPLAY_MANAGER_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_DISPLAY_MANAGER_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 11 matching lines @@
 class DrmGpuDisplayManager {
  public:
   DrmGpuDisplayManager(ScreenManager* screen_manager,
                        DrmDeviceManager* drm_device_manager);
   ~DrmGpuDisplayManager();
 
   // Returns a list of the connected displays. When this is called the list of
   // displays is refreshed.
   std::vector<DisplaySnapshot_Params> GetDisplays();
 
+  // Returns all scanout formats for |widget| representing a particular display
+  // controller or default display controller for kNullAcceleratedWidget.
+  void GetScanoutFormats(gfx::AcceleratedWidget widget,
+                         std::vector<gfx::BufferFormat>* scanout_formats);
+
   // Takes/releases the control of the DRM devices.
   bool TakeDisplayControl();
   void RelinquishDisplayControl();
 
   bool ConfigureDisplay(int64_t id,
                         const DisplayMode_Params& mode,
                         const gfx::Point& origin);
   bool DisableDisplay(int64_t id);
   bool GetHDCPState(int64_t display_id, HDCPState* state);
   bool SetHDCPState(int64_t display_id, HDCPState state);
@@ skipping 12 matching lines @@
   DrmDeviceManager* drm_device_manager_;  // Not owned.
 
   std::vector<scoped_ptr<DrmDisplay>> displays_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmGpuDisplayManager);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_DISPLAY_MANAGER_H_