Refactor GL surface format handling

ui/ozone/platform/drm/gpu/gbm_surfaceless.h

 // Copyright 2016 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_GBM_SURFACELESS_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_GBM_SURFACELESS_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 18 matching lines @@
 // ScheduleOverlayPlane(..) to schedule the buffer for presentation.
 class GbmSurfaceless : public gl::SurfacelessEGL {
  public:
   GbmSurfaceless(GbmSurfaceFactory* surface_factory,
                  std::unique_ptr<DrmWindowProxy> window,
                  gfx::AcceleratedWidget widget);
 
   void QueueOverlayPlane(const OverlayPlane& plane);
 
   // gl::GLSurface:
-  bool Initialize(GLSurface::Format format) override;
+  bool Initialize(gl::GLSurfaceFormat format) override;
   gfx::SwapResult SwapBuffers() override;
   bool ScheduleOverlayPlane(int z_order,
                             gfx::OverlayTransform transform,
                             gl::GLImage* image,
                             const gfx::Rect& bounds_rect,
                             const gfx::RectF& crop_rect) override;
   bool IsOffscreen() override;
   gfx::VSyncProvider* GetVSyncProvider() override;
   bool SupportsAsyncSwap() override;
   bool SupportsPostSubBuffer() override;
@@ skipping 49 matching lines @@
   bool swap_buffers_pending_ = false;
 
   base::WeakPtrFactory<GbmSurfaceless> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GbmSurfaceless);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_GBM_SURFACELESS_H_