input[type=file] should provide baseline regardless of 'overflow' CSS value

- New behavior matches to Firefox.
- File upload controls in LayoutNG will have overflow:hidden by
  default. The new behavior will be necessary for site compatibility.

Bug: 1040826
Change-Id: I1c620f98806a1751252b4f5a96545609fa90cc1c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2102997Reviewed-by: Koji Ishii <kojii@chromium.org>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#750473}

third_party/blink/renderer/core/html/forms/file_input_type.cc

@@ -202,6 +202,10 @@ void FileInputType::HandleDOMActivateEvent(Event& event) {
   event.SetDefaultHandled();
 }
 
+void FileInputType::CustomStyleForLayoutObject(ComputedStyle& style) {
+  style.SetShouldIgnoreOverflowPropertyForInlineBlockBaseline();
+}
+
 bool FileInputType::TypeShouldForceLegacyLayout() const {
   return true;
 }

third_party/blink/renderer/core/html/forms/file_input_type.h

@@ -72,6 +72,7 @@ class CORE_EXPORT FileInputType final : public InputType,
   bool ValueMissing(const String&) const override;
   String ValueMissingText() const override;
   void HandleDOMActivateEvent(Event&) override;
+  void CustomStyleForLayoutObject(ComputedStyle& style) override;
   bool TypeShouldForceLegacyLayout() const override;
   LayoutObject* CreateLayoutObject(const ComputedStyle&,
                                    LegacyLayout) const override;

third_party/blink/web_tests/platform/mac/external/wpt/html/rendering/widgets/baseline-alignment-and-overflow.tentative-expected.txt

 This is a testharness.js-based test.
-Found 132 tests; 102 PASS, 30 FAIL, 0 TIMEOUT, 0 NOTRUN.
+Found 132 tests; 106 PASS, 26 FAIL, 0 TIMEOUT, 0 NOTRUN.
 PASS <input type="text" value="x" style="overflow: visible; appearance: auto;">
 PASS <input type="text" value="x" style="overflow: hidden; appearance: auto;">
 PASS <input type="text" value="x" style="overflow: scroll; appearance: auto;">
@@ -97,11 +97,11 @@ PASS <input type="radio" style="overflow: visible; appearance: none;">
 PASS <input type="radio" style="overflow: hidden; appearance: none;">
 PASS <input type="radio" style="overflow: scroll; appearance: none;">
 PASS <input type="file" style="overflow: visible; appearance: auto;">
-FAIL <input type="file" style="overflow: hidden; appearance: auto;"> assert_approx_equals: <span>.offsetTop expected 25 +/- 3 but got 70
-FAIL <input type="file" style="overflow: scroll; appearance: auto;"> assert_approx_equals: <span>.offsetTop expected 25 +/- 3 but got 70
+PASS <input type="file" style="overflow: hidden; appearance: auto;">
+PASS <input type="file" style="overflow: scroll; appearance: auto;">
 PASS <input type="file" style="overflow: visible; appearance: none;">
-FAIL <input type="file" style="overflow: hidden; appearance: none;"> assert_approx_equals: <span>.offsetTop expected 25 +/- 3 but got 70
-FAIL <input type="file" style="overflow: scroll; appearance: none;"> assert_approx_equals: <span>.offsetTop expected 25 +/- 3 but got 70
+PASS <input type="file" style="overflow: hidden; appearance: none;">
+PASS <input type="file" style="overflow: scroll; appearance: none;">
 PASS <input type="submit" value="x" style="overflow: visible; appearance: auto;">
 PASS <input type="submit" value="x" style="overflow: hidden; appearance: auto;">
 FAIL <input type="submit" value="x" style="overflow: scroll; appearance: auto;"> assert_approx_equals: <span>.offsetTop expected 34 +/- 3 but got 26

third_party/blink/web_tests/platform/win/external/wpt/html/rendering/widgets/baseline-alignment-and-overflow.tentative-expected.txt

 This is a testharness.js-based test.
-Found 132 tests; 102 PASS, 30 FAIL, 0 TIMEOUT, 0 NOTRUN.
+Found 132 tests; 106 PASS, 26 FAIL, 0 TIMEOUT, 0 NOTRUN.
 PASS <input type="text" value="x" style="overflow: visible; appearance: auto;">
 PASS <input type="text" value="x" style="overflow: hidden; appearance: auto;">
 PASS <input type="text" value="x" style="overflow: scroll; appearance: auto;">
@@ -97,11 +97,11 @@ PASS <input type="radio" style="overflow: visible; appearance: none;">
 PASS <input type="radio" style="overflow: hidden; appearance: none;">
 PASS <input type="radio" style="overflow: scroll; appearance: none;">
 PASS <input type="file" style="overflow: visible; appearance: auto;">
-FAIL <input type="file" style="overflow: hidden; appearance: auto;"> assert_approx_equals: <span>.offsetTop expected 26 +/- 3 but got 70
-FAIL <input type="file" style="overflow: scroll; appearance: auto;"> assert_approx_equals: <span>.offsetTop expected 26 +/- 3 but got 70
+PASS <input type="file" style="overflow: hidden; appearance: auto;">
+PASS <input type="file" style="overflow: scroll; appearance: auto;">
 PASS <input type="file" style="overflow: visible; appearance: none;">
-FAIL <input type="file" style="overflow: hidden; appearance: none;"> assert_approx_equals: <span>.offsetTop expected 26 +/- 3 but got 70
-FAIL <input type="file" style="overflow: scroll; appearance: none;"> assert_approx_equals: <span>.offsetTop expected 26 +/- 3 but got 70
+PASS <input type="file" style="overflow: hidden; appearance: none;">
+PASS <input type="file" style="overflow: scroll; appearance: none;">
 PASS <input type="submit" value="x" style="overflow: visible; appearance: auto;">
 PASS <input type="submit" value="x" style="overflow: hidden; appearance: auto;">
 FAIL <input type="submit" value="x" style="overflow: scroll; appearance: auto;"> assert_approx_equals: <span>.offsetTop expected 34 +/- 3 but got 27