BindToCurrentLoop should delete callback on original thread

media/base/BUILD.gn

Index: media/base/BUILD.gn
diff --git a/media/base/BUILD.gn b/media/base/BUILD.gn
index 861fb6783e338047b1e4ce81df885e13feeb7ac7..3d12e43e15a5eee3e88c720e45e5a4445fdc0b67 100644
--- a/media/base/BUILD.gn
+++ b/media/base/BUILD.gn
@@ -49,6 +49,7 @@ source_set("base") {
     "audio_splicer.h",
     "audio_timestamp_helper.cc",
     "audio_timestamp_helper.h",
+    "bind_to_current_loop.cc",
     "bind_to_current_loop.h",
     "bit_reader.cc",
     "bit_reader.h",
@@ -241,9 +242,7 @@ source_set("base") {
     sources += [ "user_input_monitor_mac.cc" ]
 
     # Required by video_frame.cc.
-    libs = [
-      "CoreVideo.framework"
-    ]
+    libs = [ "CoreVideo.framework" ]
   } else if (is_win) {
     sources += [ "user_input_monitor_win.cc" ]
   } else {