Roll Tint from e6e704145b31 to 8144af91b4f9 (13 revisions)

https://dawn.googlesource.com/tint.git/+log/e6e704145b31..8144af91b4f9

2021-01-07 dneto@google.com spirv-reader: ignore PointSize builtin declared at module-scope
2021-01-06 bclayton@google.com wgsl: Treat // as comment
2021-01-06 bclayton@google.com Implement clamping of runtime array accesses
2021-01-06 bclayton@google.com Fix ast_clone_fuzzer tests
2021-01-06 bclayton@google.com src/transform: Reimplement tests in WGSL
2021-01-05 dneto@google.com Add --demangle option to command example
2021-01-05 dneto@google.com spirv-reader: support OpArrayLength
2021-01-05 bclayton@google.com reader/wgsl: Fix parsing of matrices.
2021-01-05 dneto@google.com spirv-reader: rename to isNan, isInf
2021-01-05 bclayton@google.com Validate that runtime arrays aren't used as parameters
2021-01-05 dneto@google.com spirv-reader: ImageQuerySize can be on readonly image
2021-01-05 bclayton@google.com cleanup: Refactor tests to use ast::Builder helpers
2021-01-05 bclayton@google.com reader/spirv: Move common test name to fixture name

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/tint-chromium-autoroll
Please CC enga@google.com on the revert to ensure that a human
is aware of the problem.

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https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:dawn-linux-x64-deps-rel;luci.chromium.try:dawn-mac-x64-deps-rel;luci.chromium.try:dawn-win10-x64-deps-rel;luci.chromium.try:dawn-win10-x86-deps-rel
Bug: None
Tbr: enga@google.com
Change-Id: I6518089addf52550bc7ad05115191910d19b5eff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2612574Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#840895}

DEPS

@@ -353,7 +353,7 @@ vars = {
   'ukey2_revision': '0275885d8e6038c39b8a8ca55e75d1d4d1727f47',
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'tint_revision': 'e6e704145b31c1a247a97c8c740ab2bec6206af8',
+  'tint_revision': '8144af91b4f901b5083b168c6600f4b0f3947d80',
 
   # TODO(crbug.com/941824): The values below need to be kept in sync
   # between //DEPS and //buildtools/DEPS, so if you're updating one,