Handle all possible cdm::Status values before passing through Pepper

ppapi/c/private/pp_content_decryptor.h

Index: ppapi/c/private/pp_content_decryptor.h
diff --git a/ppapi/c/private/pp_content_decryptor.h b/ppapi/c/private/pp_content_decryptor.h
index 3151fc31e24f08c48f1f0989948a2ee340141007..0ba2579f568e0600ecb6aec9a588c40c9f882231 100644
--- a/ppapi/c/private/pp_content_decryptor.h
+++ b/ppapi/c/private/pp_content_decryptor.h
@@ -3,7 +3,7 @@
  * found in the LICENSE file.
  */
 
-/* From private/pp_content_decryptor.idl modified Thu Mar 19 16:04:42 2015. */
+/* From private/pp_content_decryptor.idl modified Wed Apr 22 13:38:55 2015. */
 
 #ifndef PPAPI_C_PRIVATE_PP_CONTENT_DECRYPTOR_H_
 #define PPAPI_C_PRIVATE_PP_CONTENT_DECRYPTOR_H_
@@ -171,7 +171,11 @@ typedef enum {
   /** An unexpected error happened during decryption. */
   PP_DECRYPTRESULT_DECRYPT_ERROR = 3,
   /** An unexpected error happened during decoding. */
-  PP_DECRYPTRESULT_DECODE_ERROR = 4
+  PP_DECRYPTRESULT_DECODE_ERROR = 4,
+  /** Session management error. */
+  PP_DECRYPTRESULT_SESSION_ERROR = 5,
+  /** Decoder is not ready for initialization. */
+  PP_DECRYPTRESULT_DEFERRED_INITIALIZATION = 6
 } PP_DecryptResult;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_DecryptResult, 4);
 /**