Try to restore window.opener when opening blocked popups

chrome/browser/profiles/profile.cc

Index: chrome/browser/profiles/profile.cc
diff --git a/chrome/browser/profiles/profile.cc b/chrome/browser/profiles/profile.cc
index c8690ee718bdf20d5a403994b9c2735110b7068a..0a43159f755f265aaee0ed4baa29c483e99bf912 100644
--- a/chrome/browser/profiles/profile.cc
+++ b/chrome/browser/profiles/profile.cc
@@ -15,6 +15,7 @@
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/sync/sync_prefs.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/common/url_constants.h"
 #include "components/user_prefs/pref_registry_syncable.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
@@ -205,3 +206,14 @@ void Profile::MaybeSendDestroyedNotification() {
         content::NotificationService::NoDetails());
   }
 }
+
+std::string Profile::GetStoragePartitionIdForSite(const GURL& site) {
+  std::string partition_id;
+
+  // The partition ID for webview guest processes is the string value of its
+  // SiteInstance URL - "chrome-guest://app_id/persist?partition".
+  if (site.SchemeIs(chrome::kGuestScheme))
+    partition_id = site.spec();
+
+  return partition_id;
+}