Update WebGL expectations for the passthrough command decoder on Mac.

BUG=982292

Change-Id: I1c44530f3fb18f1866c85433f6aaa2455deb72df
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1946704Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#721535}

content/test/gpu/gpu_tests/test_expectations/webgl2_conformance_expectations.txt

@@ -556,16 +556,8 @@ crbug.com/731877 [ mac intel-0xa2e no-passthrough ] conformance2/renderbuffers/m
 crbug.com/782317 [ mac intel ] conformance/rendering/rendering-stencil-large-viewport.html [ Failure ]
 
 # Mac Passthrough
-crbug.com/982294 [ mac passthrough ] conformance/glsl/bugs/sequence-operator-evaluation-order.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] conformance/glsl/misc/shader-struct-scope.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] conformance/glsl/misc/shader-with-short-circuiting-operators.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] conformance/ogles/GL/build/build_177_to_178.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] conformance/rendering/negative-one-index.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] conformance/textures/misc/gl-teximage.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] conformance2/glsl3/array-in-complex-expression.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] conformance2/glsl3/loops-with-side-effects.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] conformance2/glsl3/short-circuiting-in-loop-condition.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] conformance2/glsl3/tricky-loop-conditions.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] conformance2/misc/uninitialized-test-2.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] conformance2/renderbuffers/multisampled-depth-renderbuffer-initialization.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] conformance2/rendering/blitframebuffer-resolve-to-back-buffer.html [ Failure ]
@@ -576,15 +568,12 @@ crbug.com/982294 [ mac passthrough ] conformance2/transform_feedback/simultaneou
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/fbocolorbuffer/tex2d_00.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/fboinvalidate/format_00.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/fboinvalidate/format_02.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/framebufferblit/conversion_08.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/framebufferblit/conversion_31.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/framebufferblit/default_framebuffer_00.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/framebufferblit/default_framebuffer_05.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/integerstatequery.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/negativebufferapi.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/primitiverestart/* [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/readpixel.html [ Failure ]
-crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/shadertexturefunction/texelfetchoffset.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/texturespecification/basic_copyteximage2d.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/texturespecification/teximage3d_pbo_params.html [ Failure ]
 crbug.com/982294 [ mac passthrough ] deqp/functional/gles3/texturespecification/texsubimage3d_pbo_params.html [ Failure ]

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

@@ -323,10 +323,6 @@ crbug.com/948218 [ mac debug nvidia-0xfe9 ] conformance/glsl/misc/shader-with-no
 
 # Mac / Passthrough command decoder
 crbug.com/989194 [ mac passthrough ] conformance/extensions/oes-texture-half-float.html [ Failure ]
-crbug.com/angleproject/3768 [ mac passthrough ] conformance/glsl/bugs/sequence-operator-evaluation-order.html [ Failure ]
-crbug.com/angleproject/3769 [ mac passthrough ] conformance/glsl/misc/shader-struct-scope.html [ Failure ]
-crbug.com/angleproject/3769 [ mac passthrough ] conformance/glsl/misc/shader-with-short-circuiting-operators.html [ Failure ]
-crbug.com/angleproject/3771 [ mac passthrough ] conformance/glsl/samplers/glsl-function-texture2dprojlod.html [ Failure ]
 crbug.com/angleproject/3766 [ mac passthrough ] conformance/textures/misc/gl-teximage.html [ Failure ]
 
 # Mac / Passthrough command decoder / AMD