Fix for crash in restoreScrollPositionAndViewState

Source/core/loader/FrameLoader.cpp

Index: Source/core/loader/FrameLoader.cpp
diff --git a/Source/core/loader/FrameLoader.cpp b/Source/core/loader/FrameLoader.cpp
index 4fe68ee12a71458aeb1607df8dab4fffa7d4ec5e..92be55e147a82bcbc9942410ce213ab2b977073c 100644
--- a/Source/core/loader/FrameLoader.cpp
+++ b/Source/core/loader/FrameLoader.cpp
@@ -1035,7 +1035,7 @@ void FrameLoader::restoreScrollPositionAndViewState()
 
         m_frame->page()->setPageScaleFactor(m_currentItem->pageScaleFactor(), frameScrollOffset);
 
-        if (m_frame->document()->settings()->pinchVirtualViewportEnabled()) {
+        if (m_frame->settings()->pinchVirtualViewportEnabled()) {
             // If the pinch viewport's offset is (-1, -1) it means the history item
             // is an old version of HistoryItem so distribute the scroll between
             // the main frame and the pinch viewport as best as we can.