Fix frameset accessibility

content/renderer/accessibility/blink_ax_tree_source.cc

Index: content/renderer/accessibility/blink_ax_tree_source.cc
diff --git a/content/renderer/accessibility/blink_ax_tree_source.cc b/content/renderer/accessibility/blink_ax_tree_source.cc
index 79f5324c1439eae1f45d2b2176e007d9f2588606..d0725f4657747111a06fcc4db86ff75ad5564a89 100644
--- a/content/renderer/accessibility/blink_ax_tree_source.cc
+++ b/content/renderer/accessibility/blink_ax_tree_source.cc
@@ -525,14 +525,12 @@ void BlinkAXTreeSource::SerializeNode(blink::WebAXObject src,
           browser_plugin->browser_plugin_instance_id());
     }
 
-    // Iframe.
-    if (is_iframe) {
-      WebFrame* frame = WebFrame::fromFrameOwnerElement(element);
-      if (frame) {
-        dst->AddContentIntAttribute(
-            AX_CONTENT_ATTR_CHILD_ROUTING_ID,
-            GetRoutingIdForFrameOrProxy(frame));
-      }
+    // Frames and iframes.
+    WebFrame* frame = WebFrame::fromFrameOwnerElement(element);
+    if (frame) {
+      dst->AddContentIntAttribute(
+          AX_CONTENT_ATTR_CHILD_ROUTING_ID,
+          GetRoutingIdForFrameOrProxy(frame));
     }
   }