When historyEntryRequiresUserGesture is enabled, exempt docs that have been committed for 5 seconds

third_party/WebKit/Source/core/loader/DocumentLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 283 matching lines @@
   return HistoryInertCommit;
 }
 
 void DocumentLoader::updateForSameDocumentNavigation(
     const KURL& newURL,
     SameDocumentNavigationSource sameDocumentNavigationSource,
     PassRefPtr<SerializedScriptValue> data,
     HistoryScrollRestorationType scrollRestorationType,
     FrameLoadType type,
     Document* initiatingDocument) {
-  if (m_frame->settings()->getHistoryEntryRequiresUserGesture() &&
-      initiatingDocument &&
-      !initiatingDocument->frame()->hasReceivedUserGesture()) {
+  if (initiatingDocument && !initiatingDocument->canCreateHistoryEntry())
     type = FrameLoadTypeReplaceCurrentItem;
-  }
 
   KURL oldURL = m_request.url();
   m_originalRequest.setURL(newURL);
   m_request.setURL(newURL);
   setReplacesCurrentHistoryItem(type != FrameLoadTypeStandard);
   if (sameDocumentNavigationSource == SameDocumentNavigationHistoryApi) {
     m_request.setHTTPMethod(HTTPNames::GET);
     m_request.setHTTPBody(nullptr);
   }
   clearRedirectChain();
@@ skipping 763 matching lines @@
                      InstallNewDocumentReason::kJavascriptURL,
                      ForceSynchronousParsing, KURL());
   if (!source.isNull())
     m_writer->appendReplacingData(source);
   endWriting();
 }
 
 DEFINE_WEAK_IDENTIFIER_MAP(DocumentLoader);
 
 }  // namespace blink