Eliminate the use of autofill::REQUIRE_AUTOCOMPLETE [step 3 of 3].

components/autofill/ios/browser/js_autofill_manager.mm

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "components/autofill/ios/browser/js_autofill_manager.h"
 
 #include "base/format_macros.h"
 #include "base/json/string_escape.h"
 #include "base/logging.h"
 
 @implementation JsAutofillManager
 
 - (void)fetchFormsWithMinimumRequiredFieldsCount:(NSUInteger)requiredFieldsCount
                                completionHandler:
                                    (void (^)(NSString*))completionHandler {
-  [self fetchFormsWithRequirements:autofill::REQUIRE_NONE
-        minimumRequiredFieldsCount:requiredFieldsCount
-                 completionHandler:completionHandler];
-}
-
-- (void)fetchFormsWithRequirements:(autofill::RequirementsMask)requirements
-        minimumRequiredFieldsCount:(NSUInteger)requiredFieldsCount
-                 completionHandler:(void (^)(NSString*))completionHandler {
   DCHECK(completionHandler);
-  // Convert from C++ enum to JS enum.
-  NSString* requirementsJS = nil;
-  switch (requirements) {
-    case autofill::REQUIRE_NONE:
-      requirementsJS = @"__gCrWeb.autofill.REQUIREMENTS_MASK_NONE";
-      break;
-    case autofill::REQUIRE_AUTOCOMPLETE:
-      requirementsJS =
-          @"__gCrWeb.autofill.REQUIREMENTS_MASK_REQUIRE_AUTOCOMPLETE";
-      break;
-  }
-  DCHECK(requirementsJS);
-
   NSString* extractFormsJS = [NSString
-      stringWithFormat:@"__gCrWeb.autofill.extractForms(%" PRIuNS ", %@);",
-                       requiredFieldsCount, requirementsJS];
+      stringWithFormat:@"__gCrWeb.autofill.extractForms(%" PRIuNS ");",
+                       requiredFieldsCount];
   [self evaluate:extractFormsJS
       stringResultHandler:^(NSString* result, NSError*) {
         completionHandler(result);
       }];
 }
 
 #pragma mark -
 #pragma mark ProtectedMethods
 
 - (NSString*)scriptPath {
@@ skipping 58 matching lines @@
 }
 
 - (void)fillPredictionData:(NSString*)dataString {
   [self deferredEvaluate:
             [NSString
                 stringWithFormat:@"__gCrWeb.autofill.fillPredictionData(%@);",
                                  dataString]];
 }
 
 @end