optimizeStepPair  163 Source/core/xml/XPathPath.cpp         optimizeStepPair(m_steps[stepCount - 1], step, dropSecondStep);
optimizeStepPair  177 Source/core/xml/XPathPath.cpp         optimizeStepPair(step, m_steps[0], dropSecondStep);
optimizeStepPair  107 Source/core/xml/XPathStep.h     friend void optimizeStepPair(Step*, Step*, bool&);
optimizeStepPair  119 Source/core/xml/XPathStep.h void optimizeStepPair(Step*, Step*, bool& dropSecondStep);