Convert chrome/browser/media to modern bind/callback

This CL removes the last remaining use of base::Bind in
chrome/browser/media. It also removes the directory from the list
of un-converted directories.

Bug: 751838
Change-Id: Iddce00b9a5b63a31b9b8891e2742b735aff88d9c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2568851
Commit-Queue: Thomas Guilbert <tguilbert@chromium.org>
Auto-Submit: Thomas Guilbert <tguilbert@chromium.org>
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#833558}

PRESUBMIT.py

@@ -333,7 +333,6 @@ _NOT_CONVERTED_TO_MODERN_BIND_AND_CALLBACK = '|'.join((
   '^chrome/browser/history/',
   '^chrome/browser/lifetime/',
   '^chrome/browser/media_galleries/',
-  '^chrome/browser/media/',
   '^chrome/browser/net/',
   '^chrome/browser/notifications/',
   '^chrome/browser/ntp_tiles/ntp_tiles_browsertest.cc',

chrome/browser/media/router/discovery/dial/safe_dial_device_description_parser_unittest.cc

@@ -90,7 +90,7 @@ class SafeDialDeviceDescriptionParserTest : public testing::Test {
     parser.Parse(
         xml, app_url,
         base::BindOnce(
-            [](base::Closure quit_loop,
+            [](base::RepeatingClosure quit_loop,
                ParsedDialDeviceDescription* out_device_description,
                SafeDialDeviceDescriptionParser::ParsingError* out_error,
                const ParsedDialDeviceDescription& device_description,