[Autofill] Enable heuristic detection of credit card issuer fields.

chrome/browser/about_flags.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 1189 matching lines @@
     SINGLE_VALUE_TYPE(switches::kPerformanceMonitorGathering)
   },
   {
     "enable-new-autofill-ui",
     IDS_FLAGS_ENABLE_NEW_AUTOFILL_UI_NAME,
     IDS_FLAGS_ENABLE_NEW_AUTOFILL_UI_DESCRIPTION,
     kOsDesktop,
     SINGLE_VALUE_TYPE(switches::kEnableNewAutofillUi)
   },
   {
-    "enable-new-autofill-heuristics",
-    IDS_FLAGS_ENABLE_NEW_AUTOFILL_HEURISTICS_NAME,
-    IDS_FLAGS_ENABLE_NEW_AUTOFILL_HEURISTICS_DESCRIPTION,
-    kOsAll,
-    SINGLE_VALUE_TYPE(switches::kEnableNewAutofillHeuristics)
-  },
-  {
     "show-app-list-shortcut",
     IDS_FLAGS_SHOW_APP_LIST_SHORTCUT_NAME,
     IDS_FLAGS_SHOW_APP_LIST_SHORTCUT_DESCRIPTION,
     kOsWin,
     SINGLE_VALUE_TYPE(switches::kShowAppListShortcut)
   },
   {
     "enable-experimental-form-filling",
     IDS_FLAGS_ENABLE_EXPERIMENTAL_FORM_FILLING_NAME,
     IDS_FLAGS_ENABLE_EXPERIMENTAL_FORM_FILLING_DESCRIPTION,
@@ skipping 494 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags