backListCount     332 Source/core/loader/EmptyClients.h     virtual int backListCount() OVERRIDE { return 0; }
backListCount     348 Source/core/loader/NavigationScheduler.cpp     if (steps > backForward.forwardListCount() || -steps > backForward.backListCount()) {
backListCount      41 Source/core/page/BackForwardClient.h     virtual int backListCount() = 0;
backListCount      70 Source/web/BackForwardClientImpl.cpp     return backListCount() + 1 + forwardListCount();
backListCount      46 Source/web/BackForwardClientImpl.h     virtual int backListCount() OVERRIDE;