Remove ash::switches::UseImmersiveFullscreenForAllWindows()

ash/ash_switches.h

Index: ash/ash_switches.h
diff --git a/ash/ash_switches.h b/ash/ash_switches.h
index c62c73a9ba4019f38b5d4d1867f35af2affec11d..1aea457f1c1aa915b4694f8e68d71166b051d577 100644
--- a/ash/ash_switches.h
+++ b/ash/ash_switches.h
@@ -35,8 +35,6 @@ ASH_EXPORT extern const char kAshDisableOverviewMode[];
 ASH_EXPORT extern const char kAshEnableAdvancedGestures[];
 ASH_EXPORT extern const char kAshEnableAlternateFrameCaptionButtonStyle[];
 ASH_EXPORT extern const char kAshEnableBrightnessControl[];
-ASH_EXPORT extern const char kAshEnableImmersiveFullscreenForAllWindows[];
-ASH_EXPORT extern const char kAshEnableImmersiveFullscreenForBrowserOnly[];
 #if defined(OS_CHROMEOS)
 ASH_EXPORT extern const char kAshEnableMagnifierKeyScroller[];
 ASH_EXPORT extern const char kAshEnableMultiUserTray[];
@@ -64,10 +62,6 @@ ASH_EXPORT bool UseAlternateFrameCaptionButtonStyle();
 // Returns true if items can be dragged off the shelf to unpin.
 ASH_EXPORT bool UseDragOffShelf();
 
-// Returns true if all windows (barring frameless apps) can be put into
-// immersive fullscreen via <F4>.
-ASH_EXPORT bool UseImmersiveFullscreenForAllWindows();
-
 // Returns true if overview mode should be activated for window switching.
 ASH_EXPORT bool UseOverviewMode();