Return correct role for table sections

Fixes a copy and paste error that wasn't caught before.

Bug: 1011067

Change-Id: Iaf7441a1820d7460eab19451b77d14d013e24c2d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2081522
Commit-Queue: Aaron Leventhal <aleventhal@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746223}

content/test/data/accessibility/css/table-display-other-expected-blink.txt

 rootWebArea
 ++genericContainer ignored
 ++++layoutTable
-++++++genericContainer ignored
-++++++++layoutTableRow
-++++++++++layoutTableCell name='cat'
-++++++++++++staticText name='cat'
-++++++++++++++inlineTextBox name='cat'
+++++++layoutTableRow
+++++++++layoutTableCell name='cat'
+++++++++++staticText name='cat'
+++++++++++++inlineTextBox name='cat'

third_party/blink/renderer/modules/accessibility/ax_node_object.cc

@@ -657,7 +657,7 @@ ax::mojom::Role AXNodeObject::NativeRoleIgnoringAria() const {
   if (IsA<HTMLTableCellElement>(*GetNode()))
     return DetermineTableCellRole();
   if (IsA<HTMLTableSectionElement>(*GetNode()))
-    return DetermineTableCellRole();
+    return DetermineTableSectionRole();
 
   if (const auto* input = DynamicTo<HTMLInputElement>(*GetNode())) {
     const AtomicString& type = input->type();