Migrating MediaSession messages to mojo

third_party/WebKit/public/platform/modules/mediasession/media_session.mojom

Index: third_party/WebKit/public/platform/modules/mediasession/media_session.mojom
diff --git a/third_party/WebKit/public/platform/modules/mediasession/media_session.mojom b/third_party/WebKit/public/platform/modules/mediasession/media_session.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..1aa3bfa98077529608cb804e1d2d9e1cef76a6af
--- /dev/null
+++ b/third_party/WebKit/public/platform/modules/mediasession/media_session.mojom
@@ -0,0 +1,30 @@
+// Copyright 2016 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.
+
+module blink.mojom;
+
+import "mojo/common/common_custom_types.mojom";
+import "ui/gfx/geometry/mojo/geometry.mojom";
+import "url/mojo/url.mojom";
+
+// Album art in MediaMetadata
+// Spec: https://wicg.github.io/mediasession/
+struct MediaImage {
+  url.mojom.Url src;
+  mojo.common.mojom.String16 type;
+  array<gfx.mojom.Size> sizes;
+};
+
+// MediaMetadata
+// Spec: https://wicg.github.io/mediasession/
+struct MediaMetadata {
+  mojo.common.mojom.String16 title;
+  mojo.common.mojom.String16 artist;
+  mojo.common.mojom.String16 album;
+  array<MediaImage> artwork;
+};
+
+interface MediaSession {
+  SetMetadata(MediaMetadata? metadata);
+};