[Password Manager] Switch password manager code to use the Feature framework.

components/password_manager/core/browser/password_manager.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 "components/password_manager/core/browser/password_manager.h"
 
 #include <stddef.h>
 #include <map>
 #include <utility>
 
-#include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/platform_thread.h"
 #include "build/build_config.h"
 #include "components/autofill/core/browser/autofill_field.h"
 #include "components/autofill/core/browser/form_structure.h"
 #include "components/autofill/core/common/form_data_predictions.h"
 #include "components/autofill/core/common/password_form_field_prediction_map.h"
 #include "components/password_manager/core/browser/affiliation_utils.h"
 #include "components/password_manager/core/browser/browser_save_password_progress_logger.h"
 #include "components/password_manager/core/browser/keychain_migration_status_mac.h"
 #include "components/password_manager/core/browser/log_manager.h"
 #include "components/password_manager/core/browser/password_autofill_manager.h"
 #include "components/password_manager/core/browser/password_form_manager.h"
 #include "components/password_manager/core/browser/password_manager_client.h"
 #include "components/password_manager/core/browser/password_manager_driver.h"
 #include "components/password_manager/core/browser/password_manager_metrics_util.h"
 #include "components/password_manager/core/browser/password_manager_util.h"
+#include "components/password_manager/core/common/password_manager_features.h"
 #include "components/password_manager/core/common/password_manager_pref_names.h"
-#include "components/password_manager/core/common/password_manager_switches.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_service.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 
 #if defined(OS_WIN)
 #include "components/prefs/pref_registry_simple.h"
 #endif
 
 using autofill::PasswordForm;
 using autofill::PasswordFormMap;
 
 namespace password_manager {
 
 namespace {
 
 const char kSpdyProxyRealm[] = "/SpdyProxy";
 
 // Shorten the name to spare line breaks. The code provides enough context
 // already.
 typedef autofill::SavePasswordProgressLogger Logger;
 
-bool ShouldDropSyncCredential() {
-  std::string group_name =
-      base::FieldTrialList::FindFullName("PasswordManagerDropSyncCredential");
-
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kEnableDropSyncCredential))
-    return true;
-
-  if (command_line->HasSwitch(switches::kDisableDropSyncCredential))
-    return false;
-
-  // Default to not saving.
-  return group_name != "Disabled";
-}
-
 bool URLsEqualUpToScheme(const GURL& a, const GURL& b) {
   return (a.GetContent() == b.GetContent());
 }
 
 bool URLsEqualUpToHttpHttpsSubstitution(const GURL& a, const GURL& b) {
   if (a == b)
     return true;
 
   // The first-time and retry login forms action URLs sometimes differ in
   // switching from HTTP to HTTPS, see http://crbug.com/400769.
@@ skipping 602 matching lines @@
 }
 
 void PasswordManager::OnLoginSuccessful() {
   scoped_ptr<BrowserSavePasswordProgressLogger> logger;
   if (password_manager_util::IsLoggingActive(client_)) {
     logger.reset(
         new BrowserSavePasswordProgressLogger(client_->GetLogManager()));
     logger->LogMessage(Logger::STRING_ON_ASK_USER_OR_SAVE_PASSWORD);
   }
 
-  if (ShouldDropSyncCredential() &&
+  if (base::FeatureList::IsEnabled(features::kDropSyncCredential) &&
       !client_->GetStoreResultFilter()->ShouldSave(
           provisional_save_manager_->pending_credentials())) {
     provisional_save_manager_->WipeStoreCopyIfOutdated();
     RecordFailure(SYNC_CREDENTIAL,
                   provisional_save_manager_->observed_form().origin,
                   logger.get());
     provisional_save_manager_.reset();
     return;
   }
 
@@ skipping 154 matching lines @@
       matched_manager_it = iter;
       current_match_result = result;
     }
   }
   if (matched_manager_it != pending_login_managers_.end())
     return *matched_manager_it;
   return nullptr;
 }
 
 }  // namespace password_manager