Merge "filebackend: Use HTTPFileStreamer::send404Message() in caller instead"

diff --combined includes/StreamFile.php
index 04a4ca6,dfe6bad..2afd651
--- 1/includes/StreamFile.php
--- 2/includes/StreamFile.php
+++ b/includes/StreamFile.php
@@@ -25,8 -25,10 +25,10 @@@
   */
  class StreamFile {
        // Do not send any HTTP headers unless requested by caller (e.g. body only)
+       /** @deprecated since 1.34 */
        const STREAM_HEADLESS = HTTPFileStreamer::STREAM_HEADLESS;
        // Do not try to tear down any PHP output buffers
+       /** @deprecated since 1.34 */
        const STREAM_ALLOW_OB = HTTPFileStreamer::STREAM_ALLOW_OB;
  
        /**
@@@ -105,6 -107,7 +107,6 @@@
                                case 'png':
                                        return 'image/png';
                                case 'jpg':
 -                                      return 'image/jpeg';
                                case 'jpeg':
                                        return 'image/jpeg';
                        }