Delete old Ozone surface creation API.

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

 // 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.
 
 #include "ui/ozone/platform/drm/gpu/gbm_surface_factory.h"
 
 #include <gbm.h>
 
 #include <utility>
 
@@ skipping 36 matching lines @@
 }
 
 GbmSurfaceless* GbmSurfaceFactory::GetSurface(
     gfx::AcceleratedWidget widget) const {
   DCHECK(thread_checker_.CalledOnValidThread());
   auto it = widget_to_surface_map_.find(widget);
   DCHECK(it != widget_to_surface_map_.end());
   return it->second;
 }
 
-bool GbmSurfaceFactory::UseNewSurfaceAPI() {
-  return true;
-}
-
 scoped_refptr<gl::GLSurface> GbmSurfaceFactory::CreateViewGLSurface(
     gl::GLImplementation implementation,
     gfx::AcceleratedWidget widget) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   if (implementation != gl::kGLImplementationEGLGLES2) {
     NOTREACHED();
     return nullptr;
   }
 
@@ skipping 98 matching lines @@
   }
 
   scoped_refptr<GbmBuffer> buffer = drm_thread_->CreateBufferFromFds(
       widget, size, format, std::move(scoped_fds), planes);
   if (!buffer)
     return nullptr;
   return make_scoped_refptr(new GbmPixmap(this, buffer));
 }
 
 }  // namespace ui