[Autofill] Add an entry to chrome://flags for the Autofill CC signin promo

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 <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 61 matching lines @@
 #include "ui/display/display_switches.h"
 #include "ui/events/event_switches.h"
 #include "ui/gfx/switches.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/keyboard/keyboard_switches.h"
 #include "ui/native_theme/native_theme_switches.h"
 #include "ui/views/views_switches.h"
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/android/chrome_feature_list.h"
+#include "components/autofill/core/browser/autofill_experiments.h"
 #else
 #include "ui/message_center/message_center_switches.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chromeos/chromeos_switches.h"
 #include "third_party/cros_system_api/switches/chrome_switches.h"
 #endif
 
 #if defined(OS_MACOSX)
@@ skipping 1944 matching lines @@
      IDS_FLAGS_QUICK_UNLOCK_PIN_DESCRIPTION, kOsCrOS,
      FEATURE_VALUE_TYPE(features::kQuickUnlockPin)},
 #endif  // defined(OS_CHROMEOS)
 #if defined(OS_ANDROID)
     {"multi-instance-merge-tabs", IDS_FLAGS_MULTI_INSTANCE_MERGE_TABS_NAME,
      IDS_FLAGS_MULTI_INSTANCE_MERGE_TABS_DESCRIPTION, kOsAndroid,
      SINGLE_VALUE_TYPE(switches::kMultiInstanceMergeTabs)},
     {"enable-web-payments", IDS_FLAGS_ENABLE_WEB_PAYMENTS_NAME,
      IDS_FLAGS_ENABLE_WEB_PAYMENTS_DESCRIPTION, kOsAndroid,
      FEATURE_VALUE_TYPE(features::kWebPayments)},
+    {"enable-credit-card-signin-promo",
+     IDS_FLAGS_ENABLE_AUTOFILL_CREDIT_CARD_SIGNIN_PROMO_NAME,
+     IDS_FLAGS_ENABLE_AUTOFILL_CREDIT_CARD_SIGNIN_PROMO_DESCRIPTION, kOsAndroid,
+     FEATURE_VALUE_TYPE(autofill::kAutofillCreditCardSigninPromo)},
 #endif  // defined(OS_ANDROID)
         // NOTE: Adding new command-line switches requires adding corresponding
         // entries to enum "LoginCustomFlags" in histograms.xml. See note in
     // histograms.xml and don't forget to run AboutFlagsHistogramTest unit test.
 };
 
 class FlagsStateSingleton {
  public:
   FlagsStateSingleton()
       : flags_state_(kFeatureEntries, arraysize(kFeatureEntries)) {}
@@ skipping 171 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags