Adding application lifetime tests to athena, allowing to override focus request for applciations

athena/content/content_proxy.cc

Index: athena/content/content_proxy.cc
diff --git a/athena/content/content_proxy.cc b/athena/content/content_proxy.cc
index 121d7ad2011359d78c642deef8a8a667da26dbd9..f2a2f137a9f2c18cd8beef70aeab7493d88c953e 100644
--- a/athena/content/content_proxy.cc
+++ b/athena/content/content_proxy.cc
@@ -144,7 +144,10 @@ void ContentProxy::CreateProxyContent() {
 
   content::RenderViewHost* host =
       web_view_->GetWebContents()->GetRenderViewHost();
-  DCHECK(host && host->GetView());
+  DCHECK(host);
+  // A never fully initialized content can come here with no view.
+  if (!host->GetView())
+    return;
   gfx::Size source = host->GetView()->GetViewBounds().size();
   gfx::Size target = gfx::Size(source.width() / 2, source.height() / 2);
   host->CopyFromBackingStore(