Store SupportedCodecs in KeySystemInfo and KeySystems.

content/renderer/media/crypto/key_systems.h

Index: content/renderer/media/crypto/key_systems.h
diff --git a/content/renderer/media/crypto/key_systems.h b/content/renderer/media/crypto/key_systems.h
index 66bc441364e24f2da26e34bd063b53df425eaaa8..53dc23a4187cf37cddc8daed3ac4323c55d2ebb0 100644
--- a/content/renderer/media/crypto/key_systems.h
+++ b/content/renderer/media/crypto/key_systems.h
@@ -51,6 +51,12 @@ 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

[ddorwin, 2014/04/22 21:24:41]

Is this only for testing? Is the only reason we need this because of the foo and
bar types in the tests?
If so, can we use #ifdef UNIT_TEST so this is only visible for tests?

[xhwang, 2014/04/23 17:29:14]

Done.

+// 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);
+
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_