Media Session: passing metadata from renderer/ to browser/.

content/public/common/media_metadata.cc

+// 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.
+
+#include "content/public/common/media_metadata.h"
+
+namespace content {
+
+const size_t MediaMetadata::kMaxIPCStringLength = 4 * 1024;
+
+MediaMetadata::MediaMetadata() = default;
+
+MediaMetadata::~MediaMetadata() = default;
+
+bool MediaMetadata::operator==(const MediaMetadata& other) const {
+  return title == other.title && artist == other.artist && album == other.album;
+}
+
+bool MediaMetadata::operator!=(const MediaMetadata& other) const {
+  return !this->operator==(other);
+}
+
+}  // namespace content