Revert 85666 - Consolidate ShouldUseNativeFrame/AlwaysUseNativeFrame/UseNativeFrame spaghetti.

chrome/common/chrome_switches.h

 // Copyright (c) 2011 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_
 #pragma once
 
@@ skipping 39 matching lines @@
 extern const char kChromeVersion[];
 extern const char kCloudPrintDeleteFile[];
 extern const char kCloudPrintFile[];
 extern const char kCloudPrintJobTitle[];
 extern const char kCloudPrintFileType[];
 extern const char kCloudPrintProxyId[];
 extern const char kCloudPrintServiceURL[];
 extern const char kConflictingModulesCheck[];
 extern const char kCountry[];
 extern const char kDebugDevToolsFrontend[];
-extern const char kDebugEnableFrameToggle[];
 extern const char kDebugPrint[];
 extern const char kDeviceManagementUrl[];
 extern const char kDiagnostics[];
 extern const char kDisableAcceleratedLayers[];
 extern const char kDisableAcceleratedVideo[];
 extern const char kDisableAltWinstation[];
 extern const char kDisableAuthNegotiateCnameLookup[];
 extern const char kDisableBackgroundMode[];
 extern const char kDisableBackgroundNetworking[];
 extern const char kDisableClientSidePhishingDetection[];
@@ skipping 285 matching lines @@
 #endif
 
 bool IsPrintPreviewEnabled();
 
 // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in
 // alphabetical order, or in one of the ifdefs (also in order in each section).
 
 }  // namespace switches
 
 #endif  // CHROME_COMMON_CHROME_SWITCHES_H_