Fire visibilityChange event on out-of-process iframes.

third_party/WebKit/Source/web/tests/FrameTestHelpers.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 182 matching lines @@
 WebViewImpl* WebViewHelper::initializeWithOpener(WebFrame* opener, bool enableJavascript, TestWebFrameClient* webFrameClient, TestWebViewClient* webViewClient, TestWebWidgetClient* webWidgetClient, void (*updateSettingsFunc)(WebSettings*))
 {
     reset();
 
     if (!webFrameClient)
         webFrameClient = defaultWebFrameClient();
     if (!webViewClient)
         webViewClient = defaultWebViewClient();
     if (!webWidgetClient)
         webWidgetClient = webViewClient->widgetClient();
-    m_webView = WebViewImpl::create(webViewClient);
+    m_webView = WebViewImpl::create(webViewClient, WebPageVisibilityStateVisible);
     m_webView->settings()->setJavaScriptEnabled(enableJavascript);
     m_webView->settings()->setPluginsEnabled(true);
     // Enable (mocked) network loads of image URLs, as this simplifies
     // the completion of resource loads upon test shutdown & helps avoid
     // dormant loads trigger Resource leaks for image loads.
     //
     // Consequently, all external image resources must be mocked.
     m_webView->settings()->setLoadsImagesAutomatically(true);
     if (updateSettingsFunc)
         updateSettingsFunc(m_webView->settings());
@@ skipping 91 matching lines @@
     m_frame->close();
 }
 
 void TestWebViewClient::initializeLayerTreeView()
 {
     m_layerTreeView = wrapUnique(new WebLayerTreeViewImplForTesting);
 }
 
 } // namespace FrameTestHelpers
 } // namespace blink