Cross-process iframe accessibility.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index e69694134f1b384992f2bc7c0845a9150422135a..e2d114ff22c3c2c35051fae99e91f39f6689ac23 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -3206,6 +3206,11 @@ bool RenderFrameImpl::isControlledByServiceWorker() {
       kInvalidServiceWorkerHandleId;
 }
 
+void RenderFrameImpl::postAccessibilityEvent(const blink::WebAXObject& obj,
+                                             blink::WebAXEvent event) {
+  HandleWebAccessibilityEvent(obj, event);
+}
+
 void RenderFrameImpl::DidPlay(blink::WebMediaPlayer* player) {
   Send(new FrameHostMsg_MediaPlayingNotification(
       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),