Stop disabling force_compositing_mode for background RenderViews.

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 879f9c82547f5ae5cb646e0562d45e95a8ba3e4e..1b9edf8ce0de647fa719dd131edd87a332996bd2 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -3116,6 +3116,12 @@ WebContents* WebContentsImpl::GetAsWebContents() {
   return this;
 }
 
+bool WebContentsImpl::IsNeverVisible() {
+  if (!delegate_)
+    return false;
+  return delegate_->IsNeverVisible(this);
+}
+
 RenderViewHostDelegateView* WebContentsImpl::GetDelegateView() {
   return render_view_host_delegate_view_;
 }