[TablesNG] width:min/max-content are not table-layout:fixed

Fixed layout table should have definite length.
Previously, we treated all !Auto width tables as fixed.

Fixes external/wpt/css/css-tables/fixed-layout-2.html

Bug: 958381
Change-Id: I98996d3f4760166f06bafb94995709658f8234f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2578705
Commit-Queue: Aleks Totic <atotic@chromium.org>
Commit-Queue: Ian Kilpatrick <ikilpatrick@chromium.org>
Reviewed-by: Ian Kilpatrick <ikilpatrick@chromium.org>
Auto-Submit: Aleks Totic <atotic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#834823}

third_party/blink/renderer/core/style/computed_style.h

@@ -2262,7 +2262,8 @@ class ComputedStyle : public ComputedStyleBase,
 
   // Table layout utility functions.
   bool IsFixedTableLayout() const {
-    return TableLayout() == ETableLayout::kFixed && !LogicalWidth().IsAuto();
+    return TableLayout() == ETableLayout::kFixed &&
+           !LogicalWidth().IsAutoOrContentOrIntrinsic();
   }
 
   LogicalSize TableBorderSpacing() const {

third_party/blink/web_tests/external/wpt/css/css-tables/fixed-layout-2-expected.txt

 This is a testharness.js-based test.
 PASS Table-layout:fixed is not applied when width is auto
 FAIL Table-layout:fixed reports it is not applied when width is auto assert_equals: expected "auto" but got "fixed"
-FAIL Table-layout:fixed is not applied when width is max-content assert_equals: expected 100 but got 0
+PASS Table-layout:fixed is not applied when width is max-content
 FAIL Table-layout:fixed reports it is not applied when width is max-content assert_equals: expected "auto" but got "fixed"
-FAIL Table-layout:fixed is not applied when width is min-content assert_equals: expected 0 but got 100
+PASS Table-layout:fixed is not applied when width is min-content
 Harness: the test ran to completion.