[Autofill] Add Chrome flag that annotates web forms with form and field signatures

components/autofill/content/renderer/form_autofill_util.cc

Index: components/autofill/content/renderer/form_autofill_util.cc
diff --git a/components/autofill/content/renderer/form_autofill_util.cc b/components/autofill/content/renderer/form_autofill_util.cc
index e134d849f46f3db483d14ac08758e6e35bc9e030..9677f8c184a7bfb23fe3f38e50ed461c3b9d9150 100644
--- a/components/autofill/content/renderer/form_autofill_util.cc
+++ b/components/autofill/content/renderer/form_autofill_util.cc
@@ -102,13 +102,6 @@ bool HasTagName(const WebNode& node, const blink::WebString& tag) {
   return node.isElementNode() && node.toConst<WebElement>().hasHTMLTagName(tag);
 }
 
-bool IsAutofillableElement(const WebFormControlElement& element) {
-  const WebInputElement* input_element = toWebInputElement(&element);
-  return IsAutofillableInputElement(input_element) ||
-         IsSelectElement(element) ||
-         IsTextAreaElement(element);
-}
-
 bool IsElementInControlElementSet(
     const WebElement& element,
     const std::vector<WebFormControlElement>& control_elements) {
@@ -1319,6 +1312,12 @@ bool IsAutofillableInputElement(const WebInputElement* element) {
          IsCheckableElement(element);
 }
 
+bool IsAutofillableElement(const WebFormControlElement& element) {
+  const WebInputElement* input_element = toWebInputElement(&element);
+  return IsAutofillableInputElement(input_element) ||
+         IsSelectElement(element) || IsTextAreaElement(element);
+}
+
 const base::string16 GetFormIdentifier(const WebFormElement& form) {
   base::string16 identifier = form.name().utf16();
   CR_DEFINE_STATIC_LOCAL(WebString, kId, ("id"));