Unskip mediastream-capture WPT tests

third_party/WebKit/LayoutTests/external/wpt/mediacapture-streams/GUM-unknownkey-option-param.https-expected.txt

Index: third_party/WebKit/LayoutTests/external/wpt/mediacapture-streams/GUM-unknownkey-option-param.https-expected.txt
diff --git a/third_party/WebKit/LayoutTests/external/wpt/mediacapture-streams/GUM-unknownkey-option-param.https-expected.txt b/third_party/WebKit/LayoutTests/external/wpt/mediacapture-streams/GUM-unknownkey-option-param.https-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4f7004f994983d0bee799a959a2ef0bb67a80538
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/external/wpt/mediacapture-streams/GUM-unknownkey-option-param.https-expected.txt
@@ -0,0 +1,12 @@
+This is a testharness.js-based test.
+FAIL getUserMedia({doesnotexist:true}) aborts with NOT_SUPPORTED_ERR assert_throws: function "function () {
+        navigator.getUserMedia(
+            {doesnotexist:true},
+            t.step_func(function (stream) {
+              assert_unreached("This should never be triggered since the constraints parameter is unrecognized");
+            }), t.step_func(function (error) {
+              assert_unreached("This should never be triggered since the constraints parameter is unrecognized");
+            }));
+      }" threw object "ReferenceError: t is not defined" that is not a DOMException NOT_SUPPORTED_ERR: property "code" is equal to undefined, expected 9
+Harness: the test ran to completion.
+