[Ozone-DRI] Convert HardwareDisplayController to use scanout buffers

ui/ozone/platform/dri/test/mock_surface_generator.cc

Index: ui/ozone/platform/dri/test/mock_surface_generator.cc
diff --git a/ui/ozone/platform/dri/test/mock_surface_generator.cc b/ui/ozone/platform/dri/test/mock_surface_generator.cc
deleted file mode 100644
index 69ba156f8a8d2bd721eae36b17459e138eaeaa75..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/dri/test/mock_surface_generator.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// 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/dri/test/mock_surface_generator.h"
-
-namespace ui {
-
-MockSurfaceGenerator::MockSurfaceGenerator(DriWrapper* dri) : dri_(dri) {}
-
-MockSurfaceGenerator::~MockSurfaceGenerator() {}
-
-ScanoutSurface* MockSurfaceGenerator::Create(const gfx::Size& size) {
-  surfaces_.push_back(new DriSurface(dri_, size));
-  return surfaces_.back();
-}
-
-}  // namespace ui