Import wpt@36ff3198676718b4af5d55c5e6c1ec8c51a2a0d6

Using wpt-import in Chromium 52d33a46.
With Chromium commits locally applied on WPT:
9a749c24 "[scroll-animations] Handle implicit 'auto' offsets correctly"


Note to sheriffs: This CL imports external tests and adds
expectations for those tests; if this CL is large and causes
a few new failures, please fix the failures by adding new
lines to TestExpectations rather than reverting. See:
https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md

NOAUTOREVERT=true
TBR=robertma@google.com

No-Export: true
Cq-Include-Trybots: luci.chromium.try:linux-wpt-identity-fyi-rel,linux-wpt-payments-fyi-rel
Change-Id: Ifa4ef2138c9d62a2c360f46a8fc2a98ce94fa3cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2522231Reviewed-by: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#824791}

third_party/blink/web_tests/external/wpt/html/semantics/forms/the-input-element/input-valueasnumber.html

@@ -120,11 +120,16 @@
    testValueAsNumberGetter("number", numberInput, [
      ["", NaN],
      ["123", 123],
-     ["123.456", 123.456]
+     ["123.456", 123.456],
+     ["1e3", 1000],
+     ["1e", NaN],
+     ["-123", -123]
    ]);
    testValueAsNumberSetter("number", numberInput, [
      [123, "123"],
-     [123.456, "123.456"]
+     [123.456, "123.456"],
+     [1e3, "1000"],
+     [-123, "-123"]
    ]);
 
    const rangeInput = document.getElementById("input_range");