[iOS] Convert fill_element_inference_util to TS

To expedite the conversion process of the file, each function's
parameters and return type were set to any. In a follow up CL, each of
these any types will be converted to their true type values.

Bug: 1430814
Change-Id: I7e5d99a0f91c52eb7f0a151380c730ebc7178d5c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4939230
Commit-Queue: Daniel White <danieltwhite@google.com>
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Mike Dougherty <michaeldo@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1211516}

components/autofill/ios/form_util/BUILD.gn

@@ -69,7 +69,7 @@ compile_ts("fill_js_dependencies") {
     "resources/create_fill_namespace.ts",
     "resources/fill_constants.ts",
     "resources/fill_element_inference.js",
-    "resources/fill_element_inference_util.js",
+    "resources/fill_element_inference_util.ts",
     "resources/fill_util.js",
   ]
 

components/autofill/ios/form_util/resources/fill_element_inference.js

@@ -542,25 +542,25 @@ __gCrWeb.fill.inferLabelForElement = function(element) {
   let inferredLabel;
   if (__gCrWeb.fill.isCheckableElement(element)) {
     inferredLabel = __gCrWeb.fill.inferLabelFromNext(element);
-    if (inferenceUtil.IsLabelValid(inferredLabel)) {
+    if (inferenceUtil.isLabelValid(inferredLabel)) {
       return inferredLabel;
     }
   }
 
   inferredLabel = __gCrWeb.fill.inferLabelFromPrevious(element);
-  if (inferenceUtil.IsLabelValid(inferredLabel)) {
+  if (inferenceUtil.isLabelValid(inferredLabel)) {
     return inferredLabel;
   }
 
   // If we didn't find a label, check for the placeholder case.
   inferredLabel = __gCrWeb.fill.inferLabelFromPlaceholder(element);
-  if (inferenceUtil.IsLabelValid(inferredLabel)) {
+  if (inferenceUtil.isLabelValid(inferredLabel)) {
     return inferredLabel;
   }
 
   // If we didn't find a placeholder, check for the aria-label case.
   inferredLabel = __gCrWeb.fill.getAriaLabel(element);
-  if (inferenceUtil.IsLabelValid(inferredLabel)) {
+  if (inferenceUtil.isLabelValid(inferredLabel)) {
     return inferredLabel;
   }
 
@@ -581,7 +581,7 @@ __gCrWeb.fill.inferLabelForElement = function(element) {
       inferredLabel = __gCrWeb.fill.inferLabelFromDivTable(element);
     } else if (tagName === 'TD') {
       inferredLabel = __gCrWeb.fill.inferLabelFromTableColumn(element);
-      if (!inferenceUtil.IsLabelValid(inferredLabel)) {
+      if (!inferenceUtil.isLabelValid(inferredLabel)) {
         inferredLabel = __gCrWeb.fill.inferLabelFromTableRow(element);
       }
     } else if (tagName === 'DD') {
@@ -592,13 +592,13 @@ __gCrWeb.fill.inferLabelForElement = function(element) {
       break;
     }
 
-    if (inferenceUtil.IsLabelValid(inferredLabel)) {
+    if (inferenceUtil.isLabelValid(inferredLabel)) {
       return inferredLabel;
     }
   }
   // If we didn't find a label, check for the value attribute case.
   inferredLabel = __gCrWeb.fill.InferLabelFromValueAttr(element);
-  if (inferenceUtil.IsLabelValid(inferredLabel)) {
+  if (inferenceUtil.isLabelValid(inferredLabel)) {
     return inferredLabel;
   }