| Index: LayoutTests/http/tests/fetch/resources/fetch-test-helpers.js
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| diff --git a/LayoutTests/http/tests/fetch/resources/fetch-test-helpers.js b/LayoutTests/http/tests/fetch/resources/fetch-test-helpers.js
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| index e513806c87eeae29729c6f9208f215258a980d6d..e03ae03acfa8288b02038401e75f6a61b1f388e3 100644
 | 
| --- a/LayoutTests/http/tests/fetch/resources/fetch-test-helpers.js
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| +++ b/LayoutTests/http/tests/fetch/resources/fetch-test-helpers.js
 | 
| @@ -182,6 +182,15 @@ var VALID_REASON_PHRASE = [
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|    '', '0123456789', '404 Not Found', 'HTTP/1.1 404 Not Found', 'AZ\u00ffaz',
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|    'x'.repeat(100000)];
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|  
 | 
| +var INVALID_URLS =
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| +  ['http://',
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| +   'https://',
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| +   'http://ex%00ample.com',
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| +   'http://ex%0dample.com',
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| +   'http://ex%0aample.com',
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| +   'http://ex%08ample.com',
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| +   'http://ex\x00ample.com'];
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| +
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|  function size(headers) {
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|    var count = 0;
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|    for (var header of headers) {
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| 
 |