Prevent a DCHECK when starting a chromeos=1 build with --stub-cros-settings.

chrome/browser/chromeos/settings/stub_cros_settings_provider.cc

Index: chrome/browser/chromeos/settings/stub_cros_settings_provider.cc
diff --git a/chrome/browser/chromeos/settings/stub_cros_settings_provider.cc b/chrome/browser/chromeos/settings/stub_cros_settings_provider.cc
index d957bdd1c9e38f54fedbfed8cc1d4b1943a153fc..e02ca97b934704c1e2f2bd3bd5844fab15c6e7dd 100644
--- a/chrome/browser/chromeos/settings/stub_cros_settings_provider.cc
+++ b/chrome/browser/chromeos/settings/stub_cros_settings_provider.cc
@@ -9,38 +9,10 @@
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/settings/cros_settings_names.h"
+#include "chrome/browser/chromeos/settings/device_settings_provider.h"
 
 namespace chromeos {
 
-namespace {
-
-const char* kHandledSettings[] = {
-  kAccountsPrefAllowGuest,
-  kAccountsPrefAllowNewUser,
-  kAccountsPrefShowUserNamesOnSignIn,
-  kAccountsPrefUsers,
-  kAccountsPrefEphemeralUsersEnabled,
-  kAccountsPrefDeviceLocalAccounts,
-  kDeviceOwner,
-  kPolicyMissingMitigationMode,
-  kReleaseChannel,
-  kReportDeviceVersionInfo,
-  kReportDeviceActivityTimes,
-  kReportDeviceBootMode,
-  kReportDeviceLocation,
-  kSettingProxyEverywhere,
-  kSignedDataRoamingEnabled,
-  kStatsReportingPref,
-  kSystemTimezonePolicy,
-  // Kiosk mode settings.
-  kIdleLogoutTimeout,
-  kIdleLogoutWarningDuration,
-  kScreenSaverExtensionId,
-  kScreenSaverTimeout
-};
-
-}  // namespace
-
 StubCrosSettingsProvider::StubCrosSettingsProvider(
     const NotifyObserversCallback& notify_cb)
     : CrosSettingsProvider(notify_cb) {
@@ -71,8 +43,7 @@ CrosSettingsProvider::TrustedStatus
 }
 
 bool StubCrosSettingsProvider::HandlesSetting(const std::string& path) const {
-  const char** end = kHandledSettings + arraysize(kHandledSettings);
-  return std::find(kHandledSettings, end, path) != end;
+  return DeviceSettingsProvider::IsDeviceSetting(path);
 }
 
 void StubCrosSettingsProvider::DoSet(const std::string& path,