ConnectedFrameCountBits   59 Source/core/dom/NodeRareData.cpp COMPILE_ASSERT(Page::maxNumberOfFrames < (1 << NodeRareData::ConnectedFrameCountBits), Frame_limit_should_fit_in_rare_data_count);
ConnectedFrameCountBits  283 Source/core/dom/NodeRareData.h     unsigned m_connectedFrameCount : ConnectedFrameCountBits;