Store SupportedCodecs in KeySystemInfo and KeySystems.

content/renderer/media/crypto/key_systems.h

 // Copyright 2013 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 CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_
 #define CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 33 matching lines @@
 // Returns whether AesDecryptor can be used for the given |concrete_key_system|.
 CONTENT_EXPORT bool CanUseAesDecryptor(const std::string& concrete_key_system);
 
 #if defined(ENABLE_PEPPER_CDMS)
 // Returns the Pepper MIME type for |concrete_key_system|.
 // Returns empty string if |concrete_key_system| is unknown or not Pepper-based.
 CONTENT_EXPORT std::string GetPepperType(
     const std::string& concrete_key_system);
 #endif
 
+// Helper functions to add extra container/codec masks. This can be used to add
+// platform specific container/codec types that needs to be supported, or to add
+// container/codec types for testing purposes.
+CONTENT_EXPORT void AddContainerMask(const std::string& container, uint32 mask);
+CONTENT_EXPORT void AddCodecMask(const std::string& codec, uint32 mask);

[xhwang, 2014/04/21 23:12:19]

ddorwin: This is currently used by the test. But it can also be used to add
platform specific container/codecs.

+
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_