Adjust FF/Win status for webgl extension tests

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
diff --git a/tests/co19/co19-dart2js.status b/tests/co19/co19-dart2js.status
index 52ef73791138c277fe224fd4f0627249e10325ba..bbe4070695b0665faee40839e43e470ef44d3c1a 100644
--- a/tests/co19/co19-dart2js.status
+++ b/tests/co19/co19-dart2js.status
@@ -1878,9 +1878,9 @@ LayoutTests/fast/canvas/getPutImageDataPairTest_t01: RuntimeError # Please triag
 LayoutTests/fast/canvas/rgba-parsing_t01: RuntimeError # Please triage this failure
 LayoutTests/fast/canvas/webgl/WebGLContextEvent_t01: RuntimeError # Please triage this failure
 LayoutTests/fast/canvas/webgl/context-attributes-alpha-depth-stencil-antialias-t01: RuntimeError # Please triage this failure
-LayoutTests/fast/canvas/webgl/context-destroyed-crash_t01: RuntimeError # Please triage this failure
-LayoutTests/fast/canvas/webgl/context-lost-restored_t01: RuntimeError # Please triage this failure
-LayoutTests/fast/canvas/webgl/context-lost_t01: RuntimeError # Please triage this failure
+LayoutTests/fast/canvas/webgl/context-destroyed-crash_t01: Pass, RuntimeError # Issue 26898
+LayoutTests/fast/canvas/webgl/context-lost-restored_t01: Pass, RuntimeError # Issue 26898
+LayoutTests/fast/canvas/webgl/context-lost_t01: Pass, RuntimeError # Issue 26898
 LayoutTests/fast/canvas/webgl/renderer-and-vendor-strings_t01: RuntimeError # Please triage this failure
 LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-with-array-buffer-view_t01: Skip # Times out.
 LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-with-image_t01: RuntimeError # Please triage this failure