Set keys for SwitchAccessEventHandler to capture using accessibiltyPrivate API

third_party/closure_compiler/externs/accessibility_private.js

Index: third_party/closure_compiler/externs/accessibility_private.js
diff --git a/third_party/closure_compiler/externs/accessibility_private.js b/third_party/closure_compiler/externs/accessibility_private.js
index 43fd60d858b31470175d4c7824293cb2c4a0cb64..9efc7c60fa00559283eb19ddecb7497ef0c128f2 100644
--- a/third_party/closure_compiler/externs/accessibility_private.js
+++ b/third_party/closure_compiler/externs/accessibility_private.js
@@ -101,6 +101,14 @@ chrome.accessibilityPrivate.setKeyboardListener = function(enabled, capture) {};
  */
 chrome.accessibilityPrivate.darkenScreen = function(enabled) {};
 
+/**
+ * Change the keyboard keys captured by Switch Access.
+ * @param {!Array<number>} key_codes The key codes for the keys that will be
+ *     captured.
+ * @see https://developer.chrome.com/extensions/accessibilityPrivate#method-setSwitchAccessKeys
+ */
+chrome.accessibilityPrivate.setSwitchAccessKeys = function(key_codes) {};
+
 /**
  * Fired whenever ChromeVox should output introduction.
  * @type {!ChromeEvent}