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

content/browser/frame_host/navigator_impl.cc

Index: content/browser/frame_host/navigator_impl.cc
diff --git a/content/browser/frame_host/navigator_impl.cc b/content/browser/frame_host/navigator_impl.cc
index 6dd1df2f0ba63c8894c9cae86614b5db9042a0da..7b6c7b7a9627494bbfa7a25a038b5acba60ae9b7 100644
--- a/content/browser/frame_host/navigator_impl.cc
+++ b/content/browser/frame_host/navigator_impl.cc
@@ -732,6 +732,7 @@ void NavigatorImpl::RequestOpenURL(
     const std::string& extra_headers,
     const Referrer& referrer,
     WindowOpenDisposition disposition,
+    bool force_new_renderer_for_new_contents,
     bool should_replace_current_entry,
     bool user_gesture) {
   // Note: This can be called for subframes (even when OOPIFs are not possible)
@@ -774,6 +775,8 @@ void NavigatorImpl::RequestOpenURL(
   OpenURLParams params(dest_url, referrer, frame_tree_node_id, disposition,
                        ui::PAGE_TRANSITION_LINK,
                        true /* is_renderer_initiated */);
+  params.force_new_renderer_for_new_contents =
+      force_new_renderer_for_new_contents;
   params.uses_post = uses_post;
   params.post_data = body;
   params.extra_headers = extra_headers;