Source release 15.1.0

oemcrypto/test/oemcrypto_session_tests_helper.h

@@ -26,8 +26,12 @@ public:
   // If force is true, we assert that the key loads successfully.
   void CreateWrappedRSAKey(uint32_t allowed_schemes, bool force);
 
+  // This is used to force installation of a keybox.  This overwrites the
+  // production keybox -- it does NOT use OEMCrypto_LoadTestKeybox.
   void InstallKeybox(const wvoec::WidevineKeybox& keybox, bool good);
 
+  // This loads the test keybox or the test RSA key, using LoadTestKeybox or
+  // LoadTestRSAKey as needed.
   void EnsureTestKeys();
 
   void InstallTestSessionKeys(Session* s);