Migrate FindBarView to AXNodeData::SetNameChecked

AXNodeData::SetName was marked as deprecated in favor of SetNameChecked
which includes DCHECKs for things expected to be true. This commit
migrates FindBarView from SetName to SetNameChecked.

AX-Relnotes: n/a

Bug: 1348081
Change-Id: I2be4ade7146a59195b5721c0da99afaeba8f6110
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3907929
Commit-Queue: Joanmarie Diggs <jdiggs@igalia.com>
Reviewed-by: Peter Boström <pbos@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1053225}

chrome/browser/ui/views/find_bar_view.cc

@@ -84,10 +84,10 @@ class FindBarMatchCountLabel : public views::Label {
     if (!last_result_) {
       node_data->SetNameExplicitlyEmpty();
     } else if (last_result_->number_of_matches() < 1) {
-      node_data->SetName(
+      node_data->SetNameChecked(
           l10n_util::GetStringUTF16(IDS_ACCESSIBLE_FIND_IN_PAGE_NO_RESULTS));
     } else {
-      node_data->SetName(l10n_util::GetStringFUTF16(
+      node_data->SetNameChecked(l10n_util::GetStringFUTF16(
           IDS_ACCESSIBLE_FIND_IN_PAGE_COUNT,
           base::FormatNumber(last_result_->active_match_ordinal()),
           base::FormatNumber(last_result_->number_of_matches())));