Ignore show messages from RemoteFrames when the WebContents is hidden.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 8facc1cce53b243076e164dd366112ca66a89ed4..ac35758cfa95873705ec460fb5be2dd0d56f57ad 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1951,9 +1951,9 @@ void WebContentsImpl::ForwardCompositorProto(
 }
 
 void WebContentsImpl::OnRenderFrameProxyVisibilityChanged(bool visible) {
-  if (visible)
+  if (visible && !GetOuterWebContents()->IsHidden())
     WasShown();
-  else
+  else if (!visible)
     WasHidden();
 }