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

ui/ozone/platform/drm/gpu/overlay_plane.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 "ui/ozone/platform/drm/gpu/overlay_plane.h"
 
 #include "ui/ozone/platform/drm/gpu/scanout_buffer.h"
 
 namespace ui {
 
@@ skipping 21 matching lines @@
 const OverlayPlane* OverlayPlane::GetPrimaryPlane(
     const OverlayPlaneList& overlays) {
   for (size_t i = 0; i < overlays.size(); ++i) {
     if (overlays[i].z_order == 0)
       return &overlays[i];
   }
 
   return nullptr;
 }
 
+OverlayBufferConfiguration::OverlayBufferConfiguration(
+    gfx::BufferFormat buffer_format,
+    gfx::Size buffer_size,
+    bool handle_scaling)
+    : buffer_format(buffer_format),
+      buffer_size(buffer_size),
+      handle_scaling(handle_scaling) {}
+
+OverlayBufferConfiguration::~OverlayBufferConfiguration() {}
+
 }  // namespace ui