Delete old Ozone surface creation API.

ui/ozone/platform/cast/surface_factory_cast.h

 // Copyright 2015 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_CAST_SURFACE_FACTORY_CAST_H_
 #define UI_OZONE_PLATFORM_CAST_SURFACE_FACTORY_CAST_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 12 matching lines @@
 
 // SurfaceFactoryOzone implementation for OzonePlatformCast.
 class SurfaceFactoryCast : public SurfaceFactoryOzone {
  public:
   SurfaceFactoryCast();
   explicit SurfaceFactoryCast(
       std::unique_ptr<chromecast::CastEglPlatform> egl_platform);
   ~SurfaceFactoryCast() override;
 
   // SurfaceFactoryOzone implementation:
-  bool UseNewSurfaceAPI() override;
   scoped_refptr<gl::GLSurface> CreateViewGLSurface(
       gl::GLImplementation implementation,
       gfx::AcceleratedWidget widget) override;
   scoped_refptr<gl::GLSurface> CreateOffscreenGLSurface(
       gl::GLImplementation implementation,
       const gfx::Size& size) override;
   std::unique_ptr<SurfaceOzoneCanvas> CreateCanvasForWidget(
       gfx::AcceleratedWidget widget) override;
   intptr_t GetNativeDisplay() override;
   scoped_refptr<NativePixmap> CreateNativePixmap(
@@ skipping 35 matching lines @@
   gfx::Rect overlay_bounds_;
   int previous_frame_overlay_count_;
   gfx::Rect previous_frame_overlay_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfaceFactoryCast);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_CAST_SURFACE_FACTORY_CAST_H_