Added flag for alternate launcher settings (remaining changes to come).

ash/ash_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.
 
 #ifndef ASH_ASH_SWITCHES_H_
 #define ASH_ASH_SWITCHES_H_
 
 #include "ash/ash_export.h"
 
 #include "build/build_config.h"
@@ skipping 32 matching lines @@
 ASH_EXPORT extern const char kAshEnableImmersiveFullscreen[];
 ASH_EXPORT extern const char kAshEnableOak[];
 ASH_EXPORT extern const char kAshEnableStickyEdges[];
 ASH_EXPORT extern const char kAshEnableTrayDragging[];
 ASH_EXPORT extern const char kAshEnableWorkspaceScrubbing[];
 ASH_EXPORT extern const char kAshForceMirrorMode[];
 ASH_EXPORT extern const char kAshHostWindowBounds[];
 ASH_EXPORT extern const char kAshImmersiveHideTabIndicators[];
 ASH_EXPORT extern const char kAshSecondaryDisplayLayout[];
 ASH_EXPORT extern const char kAshTouchHud[];
+ASH_EXPORT extern const char kAshUseAlternateShelfLayout[];
 ASH_EXPORT extern const char kAshUseFirstDisplayAsInternal[];
 ASH_EXPORT extern const char kAuraLegacyPowerButton[];
 #if defined(OS_WIN)
 ASH_EXPORT extern const char kForceAshToDesktop[];
 #endif
 ASH_EXPORT extern const char kForcedMaximizeMode[];
 
 // Returns true if new audio handler should be used.
 ASH_EXPORT bool UseNewAudioHandler();
 
 // Returns true if we should show the audio device switching UI.
 ASH_EXPORT bool ShowAudioDeviceMenu();
 
+// Returns true if the alternate shelf layout should be used.
+ASH_EXPORT bool UseAlternateShelfLayout();
+
 }  // namespace switches
 }  // namespace ash
 
 #endif  // ASH_ASH_SWITCHES_H_