Move smart deploy to tristate.

ui/keyboard/keyboard_switches.h

 // Copyright (c) 2013 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 UI_KEYBOARD_KEYBOARD_SWITCHES_H_
 #define UI_KEYBOARD_KEYBOARD_SWITCHES_H_
 
 #include "ui/keyboard/keyboard_export.h"
 
 namespace keyboard {
@@ skipping 52 matching lines @@
 
 // Disabled overscrolling of web content when the virtual keyboard is displayed.
 // If disabled, the work area is resized to restrict windows from overlapping
 // with the keybaord area.
 KEYBOARD_EXPORT extern const char kDisableVirtualKeyboardOverscroll[];
 
 // Enable overscrolling of web content when the virtual keyboard is displayed
 // to provide access to content that would otherwise be occluded.
 KEYBOARD_EXPORT extern const char kEnableVirtualKeyboardOverscroll[];
 
-// Disable automatic showing/hiding of the keyboard based on the devices plugged
-// in.
-KEYBOARD_EXPORT extern const char kDisableSmartVirtualKeyboard[];
+// Controls automatic showing/hiding of the keyboard based on the devices
+// plugged in.
+KEYBOARD_EXPORT extern const char kSmartVirtualKeyboard[];
+
+// Enables smart deploy for the virtual keyboard.
+KEYBOARD_EXPORT extern const char kSmartVirtualKeyboardEnabled[];
+
+// Disables smart deploy for the virtual keyboard.
+KEYBOARD_EXPORT extern const char kSmartVirtualKeyboardDisabled[];
 
 }  // namespace switches
 }  // namespace keyboard
 
 #endif  //  UI_KEYBOARD_KEYBOARD_SWITCHES_H_