WebXR - WPTs - fix hit test mock implementation

Bug: 1070494
Change-Id: I0c828ed291c53dfeb238fce1de47c7d7aa76602a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2146289
Commit-Queue: Piotr Bialecki <bialpio@chromium.org>
Commit-Queue: Klaus Weidner <klausw@chromium.org>
Auto-Submit: Piotr Bialecki <bialpio@chromium.org>
Reviewed-by: Klaus Weidner <klausw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#759088}

third_party/blink/web_tests/TestExpectations

@@ -3143,15 +3143,6 @@ crbug.com/1067277 external/wpt/css/css-content/element-replacement-on-replaced-e
 crbug.com/1069300 external/wpt/css/css-pseudo/active-selection-063.html [ Failure ]
 
 # ====== New tests from wpt-importer added here ======
-crbug.com/626703 [ Linux ] external/wpt/webxr/hit-test/ar_hittest_subscription_refSpaces.https.html [ Timeout ]
-crbug.com/626703 [ Mac ] external/wpt/webxr/hit-test/ar_hittest_subscription_refSpaces.https.html [ Timeout ]
-crbug.com/626703 [ Win ] external/wpt/webxr/hit-test/ar_hittest_subscription_refSpaces.https.html [ Timeout ]
-crbug.com/626703 [ Linux ] external/wpt/webxr/hit-test/ar_hittest_subscription_transientInputSources.https.html [ Timeout ]
-crbug.com/626703 [ Mac ] external/wpt/webxr/hit-test/ar_hittest_subscription_transientInputSources.https.html [ Timeout ]
-crbug.com/626703 [ Win ] external/wpt/webxr/hit-test/ar_hittest_subscription_transientInputSources.https.html [ Timeout ]
-crbug.com/626703 [ Linux ] external/wpt/webxr/hit-test/ar_hittest_subscription_inputSources.https.html [ Timeout ]
-crbug.com/626703 [ Mac ] external/wpt/webxr/hit-test/ar_hittest_subscription_inputSources.https.html [ Timeout ]
-crbug.com/626703 [ Win ] external/wpt/webxr/hit-test/ar_hittest_subscription_inputSources.https.html [ Timeout ]
 crbug.com/626703 [ Retina ] external/wpt/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html [ Timeout ]
 crbug.com/626703 [ Mac10.14 ] external/wpt/webrtc/RTCRtpSender-replaceTrack.https.html [ Timeout ]
 crbug.com/626703 [ Win7 ] external/wpt/webrtc/RTCRtpSender-replaceTrack.https.html [ Timeout ]

third_party/blink/web_tests/external/wpt/resources/chromium/webxr-test.js

@@ -921,9 +921,9 @@ class MockRuntime {
     const neg = XRMathHelper.neg;
 
     //1. Calculate plane normal in world coordinates.
-    const point_A = face[0];
-    const point_B = face[1];
-    const point_C = face[2];
+    const point_A = face.vertices[0];
+    const point_B = face.vertices[1];
+    const point_C = face.vertices[2];
 
     const edge_AB = sub(point_B, point_A);
     const edge_AC = sub(point_C, point_A);