New WebContents created via ctrl-click should be in a new process.

content/browser/security_exploit_browsertest.cc

Index: content/browser/security_exploit_browsertest.cc
diff --git a/content/browser/security_exploit_browsertest.cc b/content/browser/security_exploit_browsertest.cc
index 6ae8ed6c56688d63329b8042bb3881588f37ee26..7eed4accea1fae59449853c4da990f7c939591e7 100644
--- a/content/browser/security_exploit_browsertest.cc
+++ b/content/browser/security_exploit_browsertest.cc
@@ -92,7 +92,7 @@ RenderViewHostImpl* PrepareToDuplicateHosts(Shell* shell,
   wc->GetFrameTree()->root()->navigator()->RequestOpenURL(
       wc->GetFrameTree()->root()->current_frame_host(), extension_url, false,
       nullptr, std::string(), Referrer(), WindowOpenDisposition::CURRENT_TAB,
-      false, true);
+      false, false, true);
 
   // Since the navigation above requires a cross-process swap, there will be a
   // speculative/pending RenderFrameHost. Ensure it exists and is in a different