Delete old Ozone surface creation API.

ui/ozone/platform/drm/gpu/gbm_surface_factory.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_GBM_SURFACE_FACTORY_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_GBM_SURFACE_FACTORY_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 15 matching lines @@
 class GbmSurfaceFactory : public SurfaceFactoryOzone {
  public:
   explicit GbmSurfaceFactory(DrmThreadProxy* drm_thread);
   ~GbmSurfaceFactory() override;
 
   void RegisterSurface(gfx::AcceleratedWidget widget, GbmSurfaceless* surface);
   void UnregisterSurface(gfx::AcceleratedWidget widget);
   GbmSurfaceless* GetSurface(gfx::AcceleratedWidget widget) const;
 
   // SurfaceFactoryOzone:
-  bool UseNewSurfaceAPI() override;
   scoped_refptr<gl::GLSurface> CreateViewGLSurface(
       gl::GLImplementation implementation,
       gfx::AcceleratedWidget widget) override;
   scoped_refptr<gl::GLSurface> CreateSurfacelessViewGLSurface(
       gl::GLImplementation implementation,
       gfx::AcceleratedWidget widget) override;
   scoped_refptr<gl::GLSurface> CreateOffscreenGLSurface(
       gl::GLImplementation implementation,
       const gfx::Size& size) override;
 
@@ skipping 22 matching lines @@
   DrmThreadProxy* drm_thread_;
 
   std::map<gfx::AcceleratedWidget, GbmSurfaceless*> widget_to_surface_map_;
 
   DISALLOW_COPY_AND_ASSIGN(GbmSurfaceFactory);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_GBM_SURFACE_FACTORY_H_