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..ec499bcfbb228a5c996a7bb1ea96f5847a532109 100644
--- a/chrome/browser/accessibility/accessibility_extension_api.h
+++ b/chrome/browser/accessibility/accessibility_extension_api.h
@@ -50,4 +50,13 @@ class AccessibilityPrivateDarkenScreenFunction
                              ACCESSIBILITY_PRIVATE_DARKENSCREEN)
 };
 
+// API function that sets the keys to be captured by Switch Access.

[Devlin, 2017/05/31 20:41:15]

We should be able to have this declaration only on CrOS.

[elichtenberg, 2017/06/01 19:55:27]

Done.

+class AccessibilityPrivateSetSwitchAccessKeysFunction
+    : public UIThreadExtensionFunction {
+  ~AccessibilityPrivateSetSwitchAccessKeysFunction() override {}
+  ResponseAction Run() override;
+  DECLARE_EXTENSION_FUNCTION("accessibilityPrivate.setSwitchAccessKeys",
+                             ACCESSIBILITY_PRIVATE_SETSWITCHACCESSKEYS)
+};
+
 #endif  // CHROME_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EXTENSION_API_H_