Don't ask the browser for Autofill suggestions for non-autofillable form fields.

chrome/renderer/autofill/form_autofill_util.cc

Index: chrome/renderer/autofill/form_autofill_util.cc
diff --git a/chrome/renderer/autofill/form_autofill_util.cc b/chrome/renderer/autofill/form_autofill_util.cc
index c3b88c309de8cb9eb6404bf00ce1446d473e5289..4f44ffc539fee3c0d3d8ea6c8b5f08f2827f96ba 100644
--- a/chrome/renderer/autofill/form_autofill_util.cc
+++ b/chrome/renderer/autofill/form_autofill_util.cc
@@ -781,9 +781,10 @@ bool WebFormElementToFormData(
   return true;
 }
 
-bool FindFormAndFieldForFormControlElement(const WebFormControlElement& element,
-                                           FormData* form,
-                                           webkit_glue::FormField* field) {
+bool FindFormAndFieldForInputElement(const WebInputElement& element,
+                                     FormData* form,
+                                     webkit_glue::FormField* field,
+                                     RequirementsMask requirements) {
   if (!IsAutofillableElement(element))
     return false;
 
@@ -795,7 +796,7 @@ bool FindFormAndFieldForFormControlElement(const WebFormControlElement& element,
       static_cast<ExtractMask>(EXTRACT_VALUE | EXTRACT_OPTIONS);
   return WebFormElementToFormData(form_element,
                                   element,
-                                  REQUIRE_NONE,
+                                  requirements,
                                   extract_mask,
                                   form,
                                   field);