components/autofill/core/browser/autofill_experiments.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/autofill/core/browser/autofill_experiments.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/metrics/field_trial.h"
   9 #include "base/prefs/pref_service.h"
  10 #include "components/autofill/core/common/autofill_pref_names.h"
  11 #include "components/autofill/core/common/autofill_switches.h"
  12
  13 namespace autofill {
  14
  15 bool IsAutofillEnabled(const PrefService* pref_service) {
  16   std::string group_name =
  17       base::FieldTrialList::FindFullName("AutofillEnabled");
  18   if (group_name == "Disabled")  // Assume enabled when no experiment.
  19     return false;
  20
  21   // When experiment enables autofill, fall back on the user pref.
  22   return pref_service->GetBoolean(prefs::kAutofillEnabled);
  23 }
  24
  25 bool OfferStoreUnmaskedCards() {
  26 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  27   // The checkbox can be forced on with a flag, but by default we don't store
  28   // on Linux due to lack of system keychain integration. See crbug.com/162735
  29   return base::CommandLine::ForCurrentProcess()->HasSwitch(
  30       switches::kEnableOfferStoreUnmaskedWalletCards);
  31 #else
  32   // Query the field trial before checking command line flags to ensure UMA
  33   // reports the correct group.
  34   std::string group_name =
  35       base::FieldTrialList::FindFullName("OfferStoreUnmaskedWalletCards");
  36
  37   // The checkbox can be forced on or off with flags.
  38   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
  39           switches::kEnableOfferStoreUnmaskedWalletCards))
  40     return true;
  41   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
  42           switches::kDisableOfferStoreUnmaskedWalletCards))
  43     return false;
  44
  45   // Otherwise use the field trial to show the checkbox or not.
  46   return group_name != "Disabled";
  47 #endif
  48 }
  49
  50 }  // namespace autofill