Import wpt@5e1a3b80cea8d36774d2afd78b29a74792e9f15a

third_party/WebKit/LayoutTests/imported/wpt/user-timing/resources/webperftestharness.js

 /*
 Distributed under both the W3C Test Suite License [1] and the W3C
 3-clause BSD License [2]. To contribute to a W3C Test Suite, see the
 policies and contribution forms [3].
 
 [1] http://www.w3.org/Consortium/Legal/2008/04-testsuite-license
 [2] http://www.w3.org/Consortium/Legal/2008/03-bsd-license
 [3] http://www.w3.org/2004/10/27-testcases
  */
 
 //
 // Helper Functions for NavigationTiming W3C tests
 //
 
-var performanceNamespace = window.performance;
+var performanceNamespace = self.performance;
 var timingAttributes = [
     'connectEnd',
     'connectStart',
     'domComplete',
     'domContentLoadedEventEnd',
     'domContentLoadedEventStart',
     'domInteractive',
     'domLoading',
     'domainLookupEnd',
     'domainLookupStart',
@@ skipping 120 matching lines @@
 
 function test_greater_or_equals(value, greater_than, msg, properties)
 {
     wp_test(function () { assert_true(value >= greater_than, msg); }, msg, properties);
 }
 
 function test_not_equals(value, notequals, msg, properties)
 {
     wp_test(function() { assert_true(value !== notequals, msg); }, msg, properties);
 }