1 files changed, 8 insertions, 0 deletions
diff --git a/chromium/content/browser/renderer_host/frame_tree_node.h b/chromium/content/browser/renderer_host/frame_tree_node.h
index e3f14b23925..daef2e0b0d0 100644
--- a/chromium/content/browser/renderer_host/frame_tree_node.h
+++ b/chromium/content/browser/renderer_host/frame_tree_node.h
@@ -62,6 +62,10 @@ class CONTENT_EXPORT FrameTreeNode {
     // Invoked when a FrameTreeNode becomes focused.
     virtual void OnFrameTreeNodeFocused(FrameTreeNode* node) {}
 
+    // Invoked when a FrameTreeNode moves to a different BrowsingInstance and
+    // the popups it opened should be disowned.
+    virtual void OnFrameTreeNodeDisownedOpenee(FrameTreeNode* node) {}
+
     virtual ~Observer() = default;
   };
 
@@ -513,6 +517,10 @@ class CONTENT_EXPORT FrameTreeNode {
     replication_state_->name = name;
   }
 
+  // Clears the opener property of popups referencing this FrameTreeNode as
+  // their opener.
+  void ClearOpenerReferences();
+
  private:
   FRIEND_TEST_ALL_PREFIXES(SitePerProcessPermissionsPolicyBrowserTest,
                            ContainerPolicyDynamic);