Set keys for SwitchAccessEventHandler to capture using accessibiltyPrivate API

chrome/browser/accessibility/accessibility_extension_api.h

Index: chrome/browser/accessibility/accessibility_extension_api.h
diff --git a/chrome/browser/accessibility/accessibility_extension_api.h b/chrome/browser/accessibility/accessibility_extension_api.h
index 3784ec4eb92802c14eeec2ca36ddf8f7f67b5cf8..c12e86870b80c4038119e9520d8d301f4de074b4 100644
--- a/chrome/browser/accessibility/accessibility_extension_api.h
+++ b/chrome/browser/accessibility/accessibility_extension_api.h
@@ -50,4 +50,15 @@ class AccessibilityPrivateDarkenScreenFunction
                              ACCESSIBILITY_PRIVATE_DARKENSCREEN)
 };
 
+// API function that sets the keys to be captured by Switch Access.
+#if defined(OS_CHROMEOS)
+class AccessibilityPrivateSetSwitchAccessKeysFunction
+    : public UIThreadExtensionFunction {
+  ~AccessibilityPrivateSetSwitchAccessKeysFunction() override {}
+  ResponseAction Run() override;
+  DECLARE_EXTENSION_FUNCTION("accessibilityPrivate.setSwitchAccessKeys",
+                             ACCESSIBILITY_PRIVATE_SETSWITCHACCESSKEYS)
+};
+#endif  // defined (OS_CHROMEOS)
+
 #endif  // CHROME_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EXTENSION_API_H_