Don't let :not(<feature>) match host elements

For featureless elements such as shadow hosts, matching selectors from
the shadow tree scope, only a limited set of selectors are allowed to
match. Also, :not() is not allowed to match if the selector inside
:not() contains simple selectors for features which are not exposed from
featureless elements.

The latter did not work correctly in Blink. To support that, we need to
keep track of such features inside :not(), :is(), etc. This CL
introduces a separate code path for matching selectors on hosts, which
uses kSelectorFailsCompletely to track features which should never
match.

style_perf numbers:

Initial style (µs)     Before     After    Perf      95% CI (BCa)
=================== ========= ========= ======= =================
ECommerce               13753     13858   -0.8%  [ -1.5%,  -0.2%]
Encyclopedia           125730    126230   -0.4%  [ -1.0%,  +0.3%]
Extension              142066    143072   -0.7%  [ -1.0%,  -0.4%]
News                    52917     52937   -0.0%  [ -0.7%,  +0.6%]
Search                  17451     17525   -0.4%  [ -1.0%,  +0.0%]
Social1                 31689     31777   -0.3%  [ -1.7%,  +0.4%]
Social2                 20578     20630   -0.2%  [ -0.6%,  +0.2%]
Sports                  75059     74622   +0.6%  [ -0.5%,  +1.9%]
Video                   43845     43963   -0.3%  [ -0.9%,  +0.5%]
Geometric mean                            -0.3%  [ -0.6%,  +0.0%]

Parse (µs)             Before     After    Perf      95% CI (BCa)
=================== ========= ========= ======= =================
ECommerce                2270      2272   -0.1%  [ -1.8%,  +1.3%]
Encyclopedia            13085     13073   +0.1%  [ -0.4%,  +0.6%]
Extension                2288      2312   -1.0%  [ -2.2%,  +0.5%]
News                    13900     13905   -0.0%  [ -0.5%,  +0.4%]
Search                   8543      8612   -0.8%  [ -2.5%,  +0.1%]
Social1                 25312     25488   -0.7%  [ -3.1%,  +0.1%]
Social2                  1016      1032   -1.6%  [ -3.4%,  -0.0%]
Sports                  94789     95190   -0.4%  [ -1.0%,  -0.1%]
Video                   55723     56098   -0.7%  [ -2.0%,  +0.5%]
Geometric mean                            -0.6%  [ -1.0%,  -0.2%]

Recalc style (µs)      Before     After    Perf      95% CI (BCa)
=================== ========= ========= ======= =================
ECommerce                7481      7408   +1.0%  [ -1.0%,  +6.2%]
Encyclopedia           104240    104587   -0.3%  [ -0.8%,  +0.0%]
Extension              108181    109160   -0.9%  [ -1.2%,  -0.5%]
News                    28254     28184   +0.2%  [ -0.8%,  +3.4%]
Search                   7030      7095   -0.9%  [ -1.9%,  +0.1%]
Social1                 15966     15926   +0.3%  [ -0.4%,  +1.3%]
Social2                 10399     10440   -0.4%  [ -0.8%,  -0.0%]
Sports                  42798     42744   +0.1%  [ -0.5%,  +0.7%]
Video                   20571     20398   +0.9%  [ -0.1%,  +3.1%]
Geometric mean                            -0.0%  [ -0.4%,  +0.5%]


Bug: 378966977
Change-Id: Id7d29c4e72275149e541f49b98eb6b8c328e6461
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6624272
Reviewed-by: Steinar H Gunderson <sesse@chromium.org>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1470493}