Create window in a new BrowsingInstance when opening a link in a new process.

chrome/test/data/click-noreferrer-links.html

Index: chrome/test/data/click-noreferrer-links.html
diff --git a/chrome/test/data/click-noreferrer-links.html b/chrome/test/data/click-noreferrer-links.html
index 0e5e297bbb1042b151e865586b062d1816e35ddc..e34af69ef23c675972e043391396228ac3337c7d 100644
--- a/chrome/test/data/click-noreferrer-links.html
+++ b/chrome/test/data/click-noreferrer-links.html
@@ -15,6 +15,11 @@
     return simulateClick(document.getElementById("noref_and_tblank_link"));
   }
 
+  function clickSameSiteNoRefTargetedLink() {
+    return simulateClick(
+        document.getElementById("samesite_noref_and_targeted_link"));
+  }
+
   function clickTargetBlankLink() {
     return simulateClick(document.getElementById("tblank_link"));
   }
@@ -26,13 +31,15 @@
  </script>
  </head>
 
-<a href="https://REPLACE_WITH_HOST_AND_PORT/files/title2.html" 
+<a href="https://REPLACE_WITH_HOST_AND_PORT/files/title2.html"
    id="noref_and_tblank_link" rel="noreferrer" target="_blank">
   rel=noreferrer and target=_blank</a><br>
+<a href="title2.html" id="samesite_noref_and_targeted_link"
+   rel="noreferrer" target="foo">
+  same-site rel=noreferrer and target=foo</a><br>
 <a href="https://REPLACE_WITH_HOST_AND_PORT/files/title2.html" id="tblank_link"
    target="_blank">target=_blank</a><br>
 <a href="https://REPLACE_WITH_HOST_AND_PORT/files/title2.html" id="noref_link"
    rel="noreferrer">rel=noreferrer</a><br>
 
 </html>
-