Ozone integration.

ui/ozone/platform/drm/host/drm_overlay_manager.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/drm/host/drm_overlay_manager.h"
+
+#include "base/command_line.h"
+#include "ui/gfx/geometry/rect_conversions.h"
+#include "ui/ozone/platform/drm/host/drm_overlay_candidates_host.h"
+#include "ui/ozone/public/overlay_candidates_ozone.h"
+#include "ui/ozone/public/ozone_switches.h"
+
+namespace ui {
+
+DrmOverlayManager::DrmOverlayManager(
+    bool allow_surfaceless,
+    DrmGpuPlatformSupportHost* platform_support_host)
+    : platform_support_host_(platform_support_host),
+      allow_surfaceless_(allow_surfaceless) {
+  is_supported_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kOzoneTestSingleOverlaySupport);
+}
+
+DrmOverlayManager::~DrmOverlayManager() {
+}
+
+scoped_ptr<OverlayCandidatesOzone> DrmOverlayManager::CreateOverlayCandidates(
+    gfx::AcceleratedWidget w) {
+  if (!is_supported_)
+    return nullptr;
+  return make_scoped_ptr(
+      new DrmOverlayCandidatesHost(w, platform_support_host_));
+}
+
+bool DrmOverlayManager::CanShowPrimaryPlaneAsOverlay() {
+  return allow_surfaceless_;
+}
+
+}  // namespace ui