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

ppapi/api/private/ppp_content_decryptor_private.idl

Index: ppapi/api/private/ppp_content_decryptor_private.idl
diff --git a/ppapi/api/private/ppp_content_decryptor_private.idl b/ppapi/api/private/ppp_content_decryptor_private.idl
index 3f9b412f28ba1b4cd257a6b9cad28277228031a9..9e3aae942c21c0e910ff00f091fbb389760d1ee0 100644
--- a/ppapi/api/private/ppp_content_decryptor_private.idl
+++ b/ppapi/api/private/ppp_content_decryptor_private.idl
@@ -9,7 +9,7 @@
  * Decryption Modules, not normal plugins.
  */
 label Chrome {
-  M23 = 0.2
+  M24 = 0.3
 };
 
 /**
@@ -100,7 +100,45 @@ interface PPP_ContentDecryptor_Private {
       [in] PP_EncryptedBlockInfo encrypted_block_info);
 
   /**
-   * Decrypts encrypted_video_frame, decodes it, and returns the unencrypted 
+   * De-initializes the decoder for the <code>PP_StreamType</code> specified
+   * by <code>decoder_type</code>. De-initialization completion is reported to
+   * the browser using the <code>DecoderDeinitializeDone()</code> method on
+   * the <code>PPB_ContentDecryptor_Private</code> interface.
+   *
+   * @param[in] decoder_type A <code>PP_StreamType</code> that specifies the
+   * decoder to de-initialize.
+   *
+   * @param[in] request_id A request ID that allows the browser to associate a
+   * request to de-initialize a decoder with the corresponding call to the
+   * <code>DecoderDeinitializeDone()</code> method on the
+   * <code>PPB_ContentDecryptor_Private</code> interface.
+   */
+  void DeinitializeDecoder(
+      [in] PP_Instance instance,
+      [in] PP_StreamType decoder_type,
+      [in] uint32_t request_id);
+
+  /**
+   * Resets the decoder for the <code>PP_StreamType</code> specified
+   * by <code>decoder_type</code>. Reset completion is reported to the browser
+   * using the <code>DecoderResetDone()</code> method on the
+   * <code>PPB_ContentDecryptor_Private</code> interface.
+   *
+   * @param[in] decoder_type A <code>PP_StreamType</code> that specifies the
+   * decoder to reset.
+   *
+   * @param[in] request_id A request ID that allows the browser to associate a
+   * request to reset the decoder with a corresponding call to the
+   * <code>DecoderResetDone()</code> method on the
+   * <code>PPB_ContentDecryptor_Private</code> interface.
+   */
+  void ResetDecoder(
+      [in] PP_Instance instance,
+      [in] PP_StreamType decoder_type,
+      [in] uint32_t request_id);
+
+  /**
+   * Decrypts encrypted_video_frame, decodes it, and returns the unencrypted
    * uncompressed (decoded) video frame to the browser via the
    * <code>DeliverFrame()</code> method on the
    * <code>PPB_ContentDecryptor_Private</code> interface.
@@ -109,7 +147,7 @@ interface PPP_ContentDecryptor_Private {
    * to a <code>PPB_Buffer_Dev</code> resource that contains an encrypted video
    * frame.
    *
-   * @param[in] encrypted_video_frame_info A 
+   * @param[in] encrypted_video_frame_info A
    * <code>PP_EncryptedVideoFrameInfo</code> that contains all information
    * needed to decrypt and decode <code>encrypted_video_frame</code>.
    */