Split the frame tree logic out of HistoryItem

Source/core/loader/NavigationScheduler.cpp

Index: Source/core/loader/NavigationScheduler.cpp
diff --git a/Source/core/loader/NavigationScheduler.cpp b/Source/core/loader/NavigationScheduler.cpp
index 60db841d7e16d0ef44170f1dd8a7eef56b7c4d0e..ee87a36ad0072440e3777a39909f80fa605bb332 100644
--- a/Source/core/loader/NavigationScheduler.cpp
+++ b/Source/core/loader/NavigationScheduler.cpp
@@ -123,7 +123,7 @@ protected:
         m_haveToldClient = true;
 
         OwnPtr<UserGestureIndicator> gestureIndicator = createUserGestureIndicator();
-        if (frame->loader().history()->currentItemShouldBeReplaced())
+        if (frame->loader().history()->currentItemShouldBeReplaced(frame))
             setLockBackForwardList(true);
     }
 
@@ -240,7 +240,7 @@ public:
         m_haveToldClient = true;
 
         OwnPtr<UserGestureIndicator> gestureIndicator = createUserGestureIndicator();
-        if (frame->loader().history()->currentItemShouldBeReplaced())
+        if (frame->loader().history()->currentItemShouldBeReplaced(frame))
             setLockBackForwardList(true);
     }