Delete old Ozone surface creation API.

ui/ozone/platform/cast/surface_factory_cast.cc

 // 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.
 
 #include "ui/ozone/platform/cast/surface_factory_cast.h"
 
 #include <EGL/egl.h>
 #include <dlfcn.h>
 
 #include <utility>
@@ skipping 149 matching lines @@
   previous_frame_overlay_count_ = overlay_count_;
   previous_frame_overlay_bounds_ = overlay_bounds_;
   overlay_count_ = 0;
 }
 
 void SurfaceFactoryCast::OnOverlayScheduled(const gfx::Rect& display_bounds) {
   ++overlay_count_;
   overlay_bounds_ = display_bounds;
 }
 
-bool SurfaceFactoryCast::UseNewSurfaceAPI() {
-  return true;
-}
-
 scoped_refptr<gl::GLSurface> SurfaceFactoryCast::CreateViewGLSurface(
     gl::GLImplementation implementation,
     gfx::AcceleratedWidget widget) {
   if (implementation != gl::kGLImplementationEGLGLES2) {
     NOTREACHED();
     return nullptr;
   }
 
   // Verify requested widget dimensions match our current display size.
   DCHECK_EQ(widget >> 16, display_size_.width());
@@ skipping 145 matching lines @@
     return false;
   }
 
   set_gl_get_proc_address.Run(gl_proc);
   add_gl_library.Run(lib_egl);
   add_gl_library.Run(lib_gles2);
   return true;
 }
 
 }  // namespace ui