1 files changed, 103 insertions, 0 deletions
diff --git a/chromium/third_party/blink/common/mediastream/media_devices_mojom_traits.cc b/chromium/third_party/blink/common/mediastream/media_devices_mojom_traits.cc
new file mode 100644
index 00000000000..494c0307813
--- /dev/null
+++ b/chromium/third_party/blink/common/mediastream/media_devices_mojom_traits.cc
@@ -0,0 +1,103 @@
+// 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 "third_party/blink/public/common/mediastream/media_devices_mojom_traits.h"
+
+#include "base/logging.h"
+
+namespace mojo {
+
+// static
+blink::mojom::MediaDeviceType
+EnumTraits<blink::mojom::MediaDeviceType, blink::MediaDeviceType>::ToMojom(
+    blink::MediaDeviceType type) {
+  switch (type) {
+    case blink::MediaDeviceType::MEDIA_DEVICE_TYPE_AUDIO_INPUT:
+      return blink::mojom::MediaDeviceType::MEDIA_AUDIO_INPUT;
+    case blink::MediaDeviceType::MEDIA_DEVICE_TYPE_VIDEO_INPUT:
+      return blink::mojom::MediaDeviceType::MEDIA_VIDEO_INPUT;
+    case blink::MediaDeviceType::MEDIA_DEVICE_TYPE_AUDIO_OUTPUT:
+      return blink::mojom::MediaDeviceType::MEDIA_AUDIO_OUTPUT;
+    default:
+      break;
+  }
+  NOTREACHED();
+  return blink::mojom::MediaDeviceType::NUM_MEDIA_DEVICE_TYPES;
+}
+
+// static
+bool EnumTraits<blink::mojom::MediaDeviceType, blink::MediaDeviceType>::
+    FromMojom(blink::mojom::MediaDeviceType input,
+              blink::MediaDeviceType* out) {
+  switch (input) {
+    case blink::mojom::MediaDeviceType::MEDIA_AUDIO_INPUT:
+      *out = blink::MediaDeviceType::MEDIA_DEVICE_TYPE_AUDIO_INPUT;
+      return true;
+    case blink::mojom::MediaDeviceType::MEDIA_VIDEO_INPUT:
+      *out = blink::MediaDeviceType::MEDIA_DEVICE_TYPE_VIDEO_INPUT;
+      return true;
+    case blink::mojom::MediaDeviceType::MEDIA_AUDIO_OUTPUT:
+      *out = blink::MediaDeviceType::MEDIA_DEVICE_TYPE_AUDIO_OUTPUT;
+      return true;
+    default:
+      break;
+  }
+  NOTREACHED();
+  return false;
+}
+
+// static
+blink::mojom::FacingMode
+EnumTraits<blink::mojom::FacingMode, media::VideoFacingMode>::ToMojom(
+    media::VideoFacingMode facing_mode) {
+  switch (facing_mode) {
+    case media::MEDIA_VIDEO_FACING_NONE:
+      return blink::mojom::FacingMode::NONE;
+    case media::MEDIA_VIDEO_FACING_USER:
+      return blink::mojom::FacingMode::USER;
+    case media::MEDIA_VIDEO_FACING_ENVIRONMENT:
+      return blink::mojom::FacingMode::ENVIRONMENT;
+    default:
+      break;
+  }
+  NOTREACHED();
+  return blink::mojom::FacingMode::NONE;
+}
+
+// static
+bool EnumTraits<blink::mojom::FacingMode, media::VideoFacingMode>::FromMojom(
+    blink::mojom::FacingMode input,
+    media::VideoFacingMode* out) {
+  switch (input) {
+    case blink::mojom::FacingMode::NONE:
+      *out = media::MEDIA_VIDEO_FACING_NONE;
+      return true;
+    case blink::mojom::FacingMode::USER:
+      *out = media::MEDIA_VIDEO_FACING_USER;
+      return true;
+    case blink::mojom::FacingMode::ENVIRONMENT:
+      *out = media::MEDIA_VIDEO_FACING_ENVIRONMENT;
+      return true;
+    default:
+      break;
+  }
+  NOTREACHED();
+  return false;
+}
+
+// static
+bool StructTraits<blink::mojom::MediaDeviceInfoDataView,
+                  blink::WebMediaDeviceInfo>::
+    Read(blink::mojom::MediaDeviceInfoDataView input,
+         blink::WebMediaDeviceInfo* out) {
+  if (!input.ReadDeviceId(&out->device_id))
+    return false;
+  if (!input.ReadLabel(&out->label))
+    return false;
+  if (!input.ReadGroupId(&out->group_id))
+    return false;
+  return true;
+}
+
+}  // namespace mojo