Add type argument to pepper content decryptor method GenerateKeyRequest().

ppapi/c/private/ppp_content_decryptor_private.h

Index: ppapi/c/private/ppp_content_decryptor_private.h
diff --git a/ppapi/c/private/ppp_content_decryptor_private.h b/ppapi/c/private/ppp_content_decryptor_private.h
index 599e2749d7e6e16f8a54de26c64ad5b0d92db467..797537030d1c6ad57852375117ee24df52495a4b 100644
--- a/ppapi/c/private/ppp_content_decryptor_private.h
+++ b/ppapi/c/private/ppp_content_decryptor_private.h
@@ -4,7 +4,7 @@
  */
 
 /* From private/ppp_content_decryptor_private.idl,
- *   modified Mon Oct 22 19:47:57 2012.
+ *   modified Thu Oct 25 21:09:46 2012.
  */
 
 #ifndef PPAPI_C_PRIVATE_PPP_CONTENT_DECRYPTOR_PRIVATE_H_
@@ -45,8 +45,8 @@
 struct PPP_ContentDecryptor_Private_0_5 {
   /**
    * Generates a key request. key_system specifies the key or licensing system
-   * to use. init_data is a data buffer containing data for use in generating
-   * the request.
+   * to use. mime_type contains the MIME type of init_data. init_data is a data
+   * buffer containing data for use in generating the request.
    *
    * Note: <code>GenerateKeyRequest()</code> must create the session ID used in
    * other methods on this interface. The session ID must be provided to the
@@ -56,12 +56,16 @@ struct PPP_ContentDecryptor_Private_0_5 {
    * @param[in] key_system A <code>PP_Var</code> of type
    * <code>PP_VARTYPE_STRING</code> containing the name of the key system.
    *
+   * @param[in] mime_type A <code>PP_Var</code> of type
+   * <code>PP_VARTYPE_STRING</code> containing the MIME type for init_data.
+   *
    * @param[in] init_data A <code>PP_Var</code> of type
    * <code>PP_VARTYPE_ARRAYBUFFER</code> containing container specific
    * initialization data.
    */
   void (*GenerateKeyRequest)(PP_Instance instance,
                              struct PP_Var key_system,
+                             struct PP_Var mime_type,
                              struct PP_Var init_data);
   /**
    * Provides a key or license to the decryptor for decrypting media data.