Add decoder de-initialize and reset to the Pepper CDM API.

ppapi/c/private/pp_content_decryptor.h

 /* Copyright (c) 2012 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.
  */
 
-/* From private/pp_content_decryptor.idl modified Wed Oct  3 16:16:49 2012. */
+/* From private/pp_content_decryptor.idl modified Wed Oct 10 17:21:21 2012. */
 
 #ifndef PPAPI_C_PRIVATE_PP_CONTENT_DECRYPTOR_H_
 #define PPAPI_C_PRIVATE_PP_CONTENT_DECRYPTOR_H_
 
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_stdint.h"
 
 /**
  * @file
  * The <code>PP_DecryptTrackingInfo</code> struct contains necessary information
@@ skipping 278 matching lines @@
   /**
    * Information needed by the client to track the decrypted frame.
    */
   struct PP_DecryptTrackingInfo tracking_info;
 };
 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_DecryptedFrameInfo, 56);
 /**
  * @}
  */
 
+/**
+ * @addtogroup Enums
+ * @{
+ */
+/**
+ * <code>PP_StreamType</code> contains stream type constants.
+ */
+typedef enum {
+  PP_STREAMTYPE_AUDIO = 0,
+  PP_STREAMTYPE_VIDEO = 1
+} PP_StreamType;
+PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_StreamType, 4);
+/**
+ * @}
+ */
+
 #endif  /* PPAPI_C_PRIVATE_PP_CONTENT_DECRYPTOR_H_ */