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 b0ac5b3049763c531aadf9e012b9ccbc19e053b9..7f490bc73363ecf14642c8558b7cfbf6d91da48b 100644
--- a/ppapi/api/private/ppp_content_decryptor_private.idl
+++ b/ppapi/api/private/ppp_content_decryptor_private.idl
@@ -122,6 +122,52 @@ interface PPP_ContentDecryptor_Private {
       [in] PP_Resource codec_extra_data);
 
   /**
+   * De-initializes the decoder for the <code>PP_DecryptorStreamType</code>
+   * specified by <code>decoder_type</code> and sets it to an uninitialized
+   * state. The decoder can be re-initialized after de-initialization completes
+   * by calling <code>InitializeAudioDecoder</code> or
+   * <code>InitializeVideoDecoder</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_DecryptorStreamType</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_DecryptorStreamType decoder_type,
+      [in] uint32_t request_id);
+
+  /**
+   * Resets the decoder for the <code>PP_DecryptorStreamType</code> specified
+   * by <code>decoder_type</code> to an initialized clean state. Reset
+   * completion is reported to the browser using the
+   * <code>DecoderResetDone()</code> method on the
+   * <code>PPB_ContentDecryptor_Private</code> interface. This method can be
+   * used to signal a discontinuity in the encoded data stream, and is safe to
+   * call multiple times.
+   *
+   * @param[in] decoder_type A <code>PP_DecryptorStreamType</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_DecryptorStreamType 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