Added switch to guard all autofill new elements work.

chrome/common/chrome_switches.h

 // 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.
 
 // Defines all the command-line switches used by Chrome.
 
 #ifndef CHROME_COMMON_CHROME_SWITCHES_H_
 #define CHROME_COMMON_CHROME_SWITCHES_H_
 
 #include "build/build_config.h"
@@ skipping 113 matching lines @@
 extern const char kDisableWebResources[];
 extern const char kDisableWebsiteSettings[];
 extern const char kDisableZeroBrowsersOpenForTests[];
 extern const char kDiskCacheDir[];
 extern const char kDiskCacheSize[];
 extern const char kDnsLogDetails[];
 extern const char kDnsPrefetchDisable[];
 extern const char kDumpHistogramsOnExit[];
 extern const char kEnableAsyncDns[];
 extern const char kEnableAuthNegotiatePort[];
+extern const char kEnableAutofillNewElements[];
 extern const char kEnableAutologin[];
 extern const char kEnableBenchmarking[];
 extern const char kEnableBundledPpapiFlash[];
 extern const char kEnableCloudPolicyService[];
 extern const char kEnableCloudPrintProxy[];
 extern const char kEnableContacts[];
 extern const char kEnableCrxlessWebApps[];
 extern const char kEnableDevToolsExperiments[];
 extern const char kEnableDriveV2Api[];
 extern const char kEasyOffStoreExtensionInstall[];
@@ skipping 309 matching lines @@
 
 namespace chrome {
 
 // Returns true if the new frameless constrained window style is enabled.
 // TODO(sail): Remove this once the feature is fully baked.
 bool IsFramelessConstrainedDialogEnabled();
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_SWITCHES_H_