Add AndroidVideoSurfaceChooser to manage overlays.

media/gpu/content_video_view_overlay_factory.cc

Index: media/gpu/content_video_view_overlay_factory.cc
diff --git a/media/gpu/content_video_view_overlay_factory.cc b/media/gpu/content_video_view_overlay_factory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f54f185174336b582d7a1fcf113b680011232679
--- /dev/null
+++ b/media/gpu/content_video_view_overlay_factory.cc
@@ -0,0 +1,26 @@
+// Copyright 2017 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 "media/gpu/content_video_view_overlay_factory.h"
+
+#include "base/memory/ptr_util.h"
+#include "media/base/surface_manager.h"
+#include "media/gpu/content_video_view_overlay.h"
+
+namespace media {
+
+ContentVideoViewOverlayFactory::ContentVideoViewOverlayFactory(
+    int32_t surface_id)
+    : surface_id_(surface_id) {
+  DCHECK(surface_id_ != SurfaceManager::kNoSurfaceID);

[DaleCurtis, 2017/04/20 19:10:43]

DCHECK_NE.

[liberato (no reviews please), 2017/04/20 22:01:39]

Done.

+}
+
+ContentVideoViewOverlayFactory::~ContentVideoViewOverlayFactory() {}
+
+std::unique_ptr<AndroidOverlay> ContentVideoViewOverlayFactory::CreateOverlay(
+    const AndroidOverlay::Config& config) {
+  return base::MakeUnique<ContentVideoViewOverlay>(surface_id_, config);
+}
+
+}  // namespace media