Send enter / exit fullscreen signal to AVDA

media/base/overlay_info.cc

Index: media/base/overlay_info.cc
diff --git a/media/base/overlay_info.cc b/media/base/overlay_info.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4b4a17db7989de804e5a6f66e09f8b513d735e74
--- /dev/null
+++ b/media/base/overlay_info.cc
@@ -0,0 +1,52 @@
+// 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/base/overlay_info.h"
+#include "media/base/surface_manager.h"
+
+namespace media {
+
+OverlayInfo::OverlayInfo() = default;
+OverlayInfo::OverlayInfo(const OverlayInfo&) = default;
+
+// static
+OverlayInfo OverlayInfo::SurfaceChange(int surface_id) {
+  OverlayInfo info;
+  info.surface_id = surface_id;
+  return info;
+}
+
+// static
+OverlayInfo OverlayInfo::RoutingTokenChange(
+    base::Optional<base::UnguessableToken> token) {
+  OverlayInfo info;
+  info.routing_token = token;
+  return info;
+}
+
+// static
+OverlayInfo OverlayInfo::FullscreenChange(bool is_fullscreen) {
+  OverlayInfo info;
+  info.is_fullscreen = is_fullscreen;
+  return info;
+}
+
+void OverlayInfo::MergeWith(const OverlayInfo& other) {
+  if (other.surface_id)
+    surface_id = other.surface_id;
+  if (other.routing_token)
+    routing_token = other.routing_token;
+  if (other.is_fullscreen)
+    is_fullscreen = other.is_fullscreen;
+}
+
+bool OverlayInfo::HasValidSurfaceId() const {
+  return surface_id && *surface_id != SurfaceManager::kNoSurfaceID;
+}
+
+bool OverlayInfo::HasValidRoutingToken() const {
+  return routing_token && *routing_token;
+}
+
+}  // namespace media