Implement checks for distinctiveIdentifier and persistentState in requestMediaKeySystemAccess().

media/base/eme_constants.h

 // Copyright 2014 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 MEDIA_BASE_EME_CONSTANTS_H_
 #define MEDIA_BASE_EME_CONSTANTS_H_
 
 #include <stdint.h>
 
 namespace media {
@@ skipping 31 matching lines @@
   EME_CODEC_MP4_ALL = (EME_CODEC_MP4_AUDIO_ALL | EME_CODEC_MP4_VIDEO_ALL),
   EME_CODEC_ALL = (EME_CODEC_WEBM_ALL | EME_CODEC_MP4_ALL),
 #else
   EME_CODEC_ALL = EME_CODEC_WEBM_ALL,
 #endif  // defined(USE_PROPRIETARY_CODECS)
 };
 
 typedef uint32_t SupportedInitDataTypes;
 typedef uint32_t SupportedCodecs;
 
+enum EmeSessionTypeSupport {
+  // Invalid value.
+  EME_SESSION_TYPE_SUPPORT_NOT_DECLARED,

[ddorwin, 2015/02/19 01:41:33]

nit: This name makes it seem valid. INVALID or something like that would be
clearer. UNINITIALIZED?

[sandersd (OOO until July 31), 2015/02/19 21:08:34]

Done.

+  // The session type is not available.

[ddorwin, 2015/02/19 01:41:33]

s/available/supported/?

and line 57

[sandersd (OOO until July 31), 2015/02/19 21:08:34]

Done.

+  EME_SESSION_TYPE_NOT_SUPPORTED,
+  // The session type is available if the encrypted media permission is granted.
+  EME_SESSION_TYPE_SUPPORTED_WITH_PERMISSION,
+  // The session type is always available.
+  EME_SESSION_TYPE_SUPPORTED,
+};
+
+enum EmeFeatureSupport {
+  // Invalid value.
+  EME_FEATURE_SUPPORT_NOT_DECLARED,
+  // Access to the feature is not supported at all.
+  EME_FEATURE_NOT_SUPPORTED,
+  // Access to the feature is supported if the encrypted media permission is
+  // granted.
+  EME_FEATURE_SUPPORTED_WITH_PERMISSION,

[ddorwin, 2015/02/19 04:23:41]

s/SUPPORTED/REQUESTABLE/ or something like that to differentiate from ALWAYS
(without having to understand the intricacies).
Ditto below.

+  // Access to the feature is available if requested.
+  EME_FEATURE_SUPPORTED,
+  // Access to the feature cannot be blocked.
+  EME_FEATURE_ALWAYS_AVAILABLE,

[ddorwin, 2015/02/19 01:41:33]

s/AVAILABLE/USED/ ?

[sandersd (OOO until July 31), 2015/02/19 21:08:34]

Done.

+};
+
+enum EmeFeatureRequirement {
+  EME_FEATURE_NOT_ALLOWED,
+  EME_FEATURE_OPTIONAL,
+  EME_FEATURE_REQUIRED,
+};
+
 }  // namespace media
 
 #endif  // MEDIA_BASE_EME_CONSTANTS_H_