[Fetch] Unship Request.context

LayoutTests/http/tests/fetch/script-tests/request.js

Index: LayoutTests/http/tests/fetch/script-tests/request.js
diff --git a/LayoutTests/http/tests/fetch/script-tests/request.js b/LayoutTests/http/tests/fetch/script-tests/request.js
index 555b6767491a1a8a136a4ae4d7fda011a6e5be81..df0542e45438181bb4f3bc49989e9008d5a8964b 100644
--- a/LayoutTests/http/tests/fetch/script-tests/request.js
+++ b/LayoutTests/http/tests/fetch/script-tests/request.js
@@ -636,12 +636,4 @@ promise_test(function(t) {
       });
   }, 'Consume and pass');
 
-// Tests for requests context.
-test(function() {
-    var request = new Request('http://localhost/', {method: 'POST', body: ''});
-    assert_equals(request.context, '',
-                  'Request.context should be empty string ' +
-                  'for synthetic Request object');
-  }, 'RequestContext of a synthetic Request object');
-
 done();