cros: Use runtime stylus detection for ash palette.

ash/common/ash_switches.cc

Index: ash/common/ash_switches.cc
diff --git a/ash/common/ash_switches.cc b/ash/common/ash_switches.cc
index 3141b2c40995c84b7c64c62c6571cb0a722494ec..37ac6b3afa44da2176fd8da3334a9df195a0feb5 100644
--- a/ash/common/ash_switches.cc
+++ b/ash/common/ash_switches.cc
@@ -51,9 +51,6 @@ const char kAshEnableFullscreenAppList[] = "ash-enable-fullscreen-app-list";
 const char kAshEnableMagnifierKeyScroller[] =
     "ash-enable-magnifier-key-scroller";
 
-// Enables the palette next to the status area.
-const char kAshEnablePalette[] = "ash-enable-palette";
-
 // Enables the palette on every display, instead of only the internal one.
 const char kAshEnablePaletteOnAllDisplays[] =
     "ash-enable-palette-on-all-displays";
@@ -68,6 +65,9 @@ const char kAshEnableTouchView[] = "enable-touchview";
 // Enables mirrored screen.
 const char kAshEnableMirroredScreen[] = "ash-enable-mirrored-screen";
 
+// Enables the palette next to the status area.
+const char kAshForceEnablePalette[] = "ash-force-enable-palette";
+
 // Hides notifications that are irrelevant to Chrome OS device factory testing,
 // such as battery level updates.
 const char kAshHideNotificationsForFactory[] =