Ensure WindowProxy reinitialization on navigations if needed.

third_party/WebKit/Source/bindings/core/v8/LocalWindowProxy.h

Index: third_party/WebKit/Source/bindings/core/v8/LocalWindowProxy.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/LocalWindowProxy.h b/third_party/WebKit/Source/bindings/core/v8/LocalWindowProxy.h
index e92aea290acfb9fc385fc9507c4a02df132f54e5..8f8a1974b636d7f8d4618514f086f886631991e6 100644
--- a/third_party/WebKit/Source/bindings/core/v8/LocalWindowProxy.h
+++ b/third_party/WebKit/Source/bindings/core/v8/LocalWindowProxy.h
@@ -76,6 +76,12 @@ class LocalWindowProxy final : public WindowProxy {
 
   void setSecurityToken(SecurityOrigin*);
 
+  // Triggers updates of objects that are associated with a Document:
+  // - the activity logger
+  // - the document DOM wrapper
+  // - the security origin
+  void updateDocumentInternal();
+
   // The JavaScript wrapper for the document object is cached on the global
   // object for fast access. UpdateDocumentProperty sets the wrapper
   // for the current document on the global object.