Temporarily mark WebGL S3TC sRGB extension as failing on Win/Intel/GL.

Bug: angleproject:5543
Change-Id: Ibe3385f636b067ca5629845a059b0b1d7b09b886
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2627370
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843848}

AUTHORS

@@ -54,6 +54,7 @@ Alexander Sulfrian <alexander@sulfrian.net>
 Alexander Zhirov <ciberst@gmail.com>
 Alexandre Abreu <wiss1976@gmail.com>
 Alexandru Chiculita <achicu@adobe.com>
+Alexey Knyazev <lexa.knyazev@gmail.com>
 Alexey Korepanov <alexkorep@gmail.com>
 Alexey Kuts <kruntuid@gmail.com>
 Alexey Kuzmin <alex.s.kuzmin@gmail.com>

content/test/gpu/gpu_tests/test_expectations/webgl_conformance_expectations.txt

@@ -297,6 +297,9 @@ crbug.com/angleproject/2909 [ win intel angle-vulkan passthrough intel_lt_26.20.
 crbug.com/angleproject/2722 [ win intel angle-vulkan passthrough intel_lt_26.20.100.7323 ] conformance/rendering/clipping-wide-points.html [ Failure ]
 crbug.com/1082565 [ win intel angle-opengl passthrough intel_lt_26.20.100.8141 ] conformance/canvas/webgl-to-2d-canvas.html [ Failure ]
 
+# Intel OpenGL driver issue, fixed in 27.20.100.9126
+crbug.com/angleproject/5543 [ win intel angle-opengl passthrough ] conformance/extensions/webgl-compressed-texture-s3tc-srgb.html [ Failure ]
+
 # This is an OpenGL driver bug on Intel platform and it is fixed in
 # Intel Driver 25.20.100.6444.
 # Case no-over-optimization-on-uniform-array-09 always fail if run