Initial implementation of Encrypted Media Extensions in Chrome.

webkit/media/mime_util.h

+// Copyright (c) 2012 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.
+
+#ifndef WEBKIT_MEDIA_MIME_UTIL_H_
+#define WEBKIT_MEDIA_MIME_UTIL_H_
+
+#include <string>
+#include <vector>
+
+namespace WebKit {
+class WebString;
+}
+
+namespace webkit_media {
+
+namespace mime_util {
+
+// Returns whether key_sytem is supported at all.

[scherkus (not reviewing), 2012/04/16 19:18:15]

nit: we surround args references in comments with |foo|

[ddorwin, 2012/04/16 20:02:35]

Done.

+// Call IsSupportedKeySystemWithMediaMimeType() to determine whether a
+// key_system supports a specific type of media.

[scherkus (not reviewing), 2012/04/16 19:18:15]

here too

[ddorwin, 2012/04/16 20:02:35]

Done.

+bool isKeySystemSupported(const WebKit::WebString& key_system);
+
+// Returns whether key_sytem supports the specified media type and codec(s).
+bool IsSupportedKeySystemWithMediaMimeType(
+    const std::string& mime_type,
+    const std::vector<std::string>& codecs,
+    const std::string& key_system);
+
+}  // namespace mime_util
+
+}  // namespace webkit_media
+
+#endif  // WEBKIT_MEDIA_MIME_UTIL_H_