Refactor GL surface format handling

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

 // 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.
 
 #include "ui/ozone/platform/drm/gpu/gbm_surfaceless.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 30 matching lines @@
           HasEGLExtension("EGL_EXT_image_flush_external")),
       weak_factory_(this) {
   surface_factory_->RegisterSurface(window_->widget(), this);
   unsubmitted_frames_.push_back(new PendingFrame());
 }
 
 void GbmSurfaceless::QueueOverlayPlane(const OverlayPlane& plane) {
   planes_.push_back(plane);
 }
 
-bool GbmSurfaceless::Initialize(gl::GLSurface::Format format) {
+bool GbmSurfaceless::Initialize(gl::GLSurfaceFormat format) {
   if (!SurfacelessEGL::Initialize(format))
     return false;
   vsync_provider_ = base::MakeUnique<DrmVSyncProvider>(window_.get());
   if (!vsync_provider_)
     return false;
   return true;
 }
 
 gfx::SwapResult GbmSurfaceless::SwapBuffers() {
   NOTREACHED();
@@ skipping 183 matching lines @@
   }
 
   SubmitFrame();
 }
 
 bool GbmSurfaceless::IsUniversalDisplayLinkDevice() {
   return planes_.empty() ? false : planes_[0].buffer->RequiresGlFinish();
 }
 
 }  // namespace ui