ozone: drm: Fix graphics buffer handle leak in DrmConsoleBuffer

ui/ozone/platform/drm/gpu/drm_device.cc

Index: ui/ozone/platform/drm/gpu/drm_device.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_device.cc b/ui/ozone/platform/drm/gpu/drm_device.cc
index fb5bbc8d4d080a2fcd397d1b3dc54801c853d3be..51ad51e8095a3f6902150d4b1154ac1bb35b6924 100644
--- a/ui/ozone/platform/drm/gpu/drm_device.cc
+++ b/ui/ozone/platform/drm/gpu/drm_device.cc
@@ -476,6 +476,14 @@ void DrmDevice::DestroyDumbBuffer(const SkImageInfo& info,
   DrmDestroyDumbBuffer(file_.GetPlatformFile(), handle);
 }
 
+bool DrmDevice::CloseBufferHandle(uint32_t handle) {
+  struct drm_gem_close close_request;
+  memset(&close_request, 0, sizeof(close_request));
+  close_request.handle = handle;
+  return !drmIoctl(file_.GetPlatformFile(), DRM_IOCTL_GEM_CLOSE,
+                   &close_request);
+}
+
 bool DrmDevice::CommitProperties(drmModePropertySet* properties,
                                  uint32_t flags,
                                  const PageFlipCallback& callback) {