Don't allow form-feed (U+000C) as a WebVTT signature separator

third_party/WebKit/LayoutTests/media/track/opera/track/webvtt/parsing/001-expected.txt

Index: third_party/WebKit/LayoutTests/media/track/opera/track/webvtt/parsing/001-expected.txt
diff --git a/third_party/WebKit/LayoutTests/media/track/opera/track/webvtt/parsing/001-expected.txt b/third_party/WebKit/LayoutTests/media/track/opera/track/webvtt/parsing/001-expected.txt
deleted file mode 100644
index d09eaddd91b5aafae3a853a937b4c2c16142cd56..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/media/track/opera/track/webvtt/parsing/001-expected.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-This is a testharness.js-based test.
-PASS WebVTT parser tests, settings-vertical.vtt 
-PASS WebVTT parser tests, settings-size.vtt 
-PASS WebVTT parser tests, settings-position.vtt 
-PASS WebVTT parser tests, settings-multiple.vtt 
-PASS WebVTT parser tests, settings-line.vtt 
-PASS WebVTT parser tests, settings-align.vtt 
-PASS WebVTT parser tests, signature-bom.vtt 
-PASS WebVTT parser tests, signature-space.vtt 
-PASS WebVTT parser tests, signature-space-no-newline.vtt 
-PASS WebVTT parser tests, signature-tab.vtt 
-PASS WebVTT parser tests, signature-tab-no-newline.vtt 
-PASS WebVTT parser tests, signature-timings.vtt 
-PASS WebVTT parser tests, signature-two-boms.vtt 
-PASS WebVTT parser tests, signature-lowercase.vtt 
-PASS WebVTT parser tests, signature-too-short.vtt 
-PASS WebVTT parser tests, signature-websrt.vtt 
-FAIL WebVTT parser tests, signature-formfeed.vtt assert_equals: number of cues expected (string) "error" but got (number) 0
-PASS WebVTT parser tests, signature-null.vtt 
-PASS WebVTT parser tests, signature-no-newline.vtt 
-PASS WebVTT parser tests, no-signature.vtt 
-PASS WebVTT parser tests, nulls.vtt 
-PASS WebVTT parser tests, header-garbage.vtt 
-PASS WebVTT parser tests, header-timings.vtt 
-PASS WebVTT parser tests, header-space.vtt 
-PASS WebVTT parser tests, header-tab.vtt 
-PASS WebVTT parser tests, ids.vtt 
-PASS WebVTT parser tests, arrows.vtt 
-PASS WebVTT parser tests, space-chars.vtt 
-PASS WebVTT parser tests, timings-garbage.vtt 
-PASS WebVTT parser tests, timings-too-short.vtt 
-PASS WebVTT parser tests, timings-too-long.vtt 
-PASS WebVTT parser tests, newlines.vtt 
-PASS WebVTT parser tests, omitted-hours.vtt 
-PASS WebVTT parser tests, timings-60.vtt 
-PASS WebVTT parser tests, timings-negative.vtt 
-Harness: the test ran to completion.
-