Ozone: Dont hardcode format to YUV when using Overlay Composition.

ui/ozone/platform/drm/gpu/drm_window_unittest.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 <stdint.h>
 
 #include <utility>
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 156 matching lines @@
   ui::MockDumbBufferGenerator buffer_generator;
   ui::DrmWindow* window = screen_manager_->GetWindow(kDefaultWidgetHandle);
   ui::OverlayPlane plane(
       buffer_generator.Create(drm_, gfx::BufferFormat::BGRX_8888, window_size));
 
   drm_->set_page_flip_expectation(false);
 
   // Window was re-sized, so the expectation is to re-create the buffers first.
   window->SchedulePageFlip(
       std::vector<ui::OverlayPlane>(1, ui::OverlayPlane(plane)),
-      base::Bind(&DrmWindowTest::OnSwapBuffers, base::Unretained(this)));
+      base::Bind(&DrmWindowTest::OnSwapBuffers, base::Unretained(this)),
+      buffer_generator_.get());
   EXPECT_EQ(1, on_swap_buffers_count_);
   EXPECT_EQ(gfx::SwapResult::SWAP_NAK_RECREATE_BUFFERS,
             last_swap_buffers_result_);
 
   window->SchedulePageFlip(
       std::vector<ui::OverlayPlane>(1, ui::OverlayPlane(plane)),
-      base::Bind(&DrmWindowTest::OnSwapBuffers, base::Unretained(this)));
+      base::Bind(&DrmWindowTest::OnSwapBuffers, base::Unretained(this)),
+      buffer_generator_.get());
   EXPECT_EQ(2, on_swap_buffers_count_);
   EXPECT_EQ(gfx::SwapResult::SWAP_FAILED, last_swap_buffers_result_);
 }