Replicating WebFrame::uniqueName across renderers.

content/browser/frame_host/render_frame_host_manager.cc

Index: content/browser/frame_host/render_frame_host_manager.cc
diff --git a/content/browser/frame_host/render_frame_host_manager.cc b/content/browser/frame_host/render_frame_host_manager.cc
index 34aec64822518698a2b381625531c7c279315952..dd564e3ca073cf7157ff1481a30b680d5baa079b 100644
--- a/content/browser/frame_host/render_frame_host_manager.cc
+++ b/content/browser/frame_host/render_frame_host_manager.cc
@@ -940,7 +940,8 @@ void RenderFrameHostManager::OnDidStopLoading() {
   }
 }
 
-void RenderFrameHostManager::OnDidUpdateName(const std::string& name) {
+void RenderFrameHostManager::OnDidUpdateName(const std::string& name,
+                                             const std::string& unique_name) {
   // The window.name message may be sent outside of --site-per-process when
   // report_frame_name_changes renderer preference is set (used by
   // WebView).  Don't send the update to proxies in those cases.
@@ -950,8 +951,8 @@ void RenderFrameHostManager::OnDidUpdateName(const std::string& name) {
     return;
 
   for (const auto& pair : proxy_hosts_) {
-    pair.second->Send(
-        new FrameMsg_DidUpdateName(pair.second->GetRoutingID(), name));
+    pair.second->Send(new FrameMsg_DidUpdateName(pair.second->GetRoutingID(),
+                                                 name, unique_name));
   }
 }