Finish implementing ChromeVox Next active indicator.

chrome/renderer/extensions/automation_internal_custom_bindings.h

Index: chrome/renderer/extensions/automation_internal_custom_bindings.h
diff --git a/chrome/renderer/extensions/automation_internal_custom_bindings.h b/chrome/renderer/extensions/automation_internal_custom_bindings.h
index 5be7c9d250c7336dfdf28f34c761e694672e233d..94e659db49367975c4e500cf5d63cbac24eb091c 100644
--- a/chrome/renderer/extensions/automation_internal_custom_bindings.h
+++ b/chrome/renderer/extensions/automation_internal_custom_bindings.h
@@ -91,6 +91,14 @@ class AutomationInternalCustomBindings : public ObjectBackedNativeHandler,
                        v8::ReturnValue<v8::Value> result,
                        ui::AXNode* node,
                        const std::string& attribute_name));
+  void RouteNodeIDPlusRangeFunction(
+      const std::string& name,
+      void (*callback)(v8::Isolate* isolate,
+                       v8::ReturnValue<v8::Value> result,
+                       TreeCache* cache,
+                       ui::AXNode* node,
+                       int start,
+                       int end));
 
   //
   // Access the cached accessibility trees and properties of their nodes.