requestFromHistoryItem  778 Source/core/loader/FrameLoader.cpp     ResourceRequest request = requestFromHistoryItem(m_currentItem.get(), ReloadIgnoringCacheData);
requestFromHistoryItem 1384 Source/core/loader/FrameLoader.cpp     loadWithNavigationAction(NavigationAction(requestFromHistoryItem(item, cachePolicy), FrameLoadTypeBackForward), FrameLoadTypeBackForward, nullptr, SubstituteData());