Fire visibilityChange event on out-of-process iframes.

content/browser/frame_host/render_frame_host_manager.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/render_frame_host_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 1747 matching lines @@
 
   RenderViewHostImpl* render_view_host = nullptr;
 
   // Ensure a RenderViewHost exists for |instance|, as it creates the page
   // level structure in Blink.
   render_view_host =
       frame_tree_node_->frame_tree()->GetRenderViewHost(instance);
   if (!render_view_host) {
     CHECK(frame_tree_node_->IsMainFrame());
     render_view_host = frame_tree_node_->frame_tree()->CreateRenderViewHost(
-        instance, MSG_ROUTING_NONE, MSG_ROUTING_NONE, true, true);
+        instance, MSG_ROUTING_NONE, MSG_ROUTING_NONE, true,
+        delegate_->IsHidden());
   }
 
   RenderFrameProxyHost* proxy = GetRenderFrameProxyHost(instance);
   if (proxy && proxy->is_render_frame_proxy_live())
     return proxy->GetRoutingID();
 
   if (!proxy)
     proxy = CreateRenderFrameProxyHost(instance, render_view_host);
 
   if (frame_tree_node_->IsMainFrame()) {
@@ skipping 820 matching lines @@
                                              resolved_url)) {
     DCHECK(!dest_instance ||
            dest_instance == render_frame_host_->GetSiteInstance());
     return false;
   }
 
   return true;
 }
 
 }  // namespace content