verticalScrollDistance  670 Source/core/editing/EditorCommand.cpp     unsigned distance = verticalScrollDistance(frame);
verticalScrollDistance  679 Source/core/editing/EditorCommand.cpp     unsigned distance = verticalScrollDistance(frame);
verticalScrollDistance  688 Source/core/editing/EditorCommand.cpp     unsigned distance = verticalScrollDistance(frame);
verticalScrollDistance  697 Source/core/editing/EditorCommand.cpp     unsigned distance = verticalScrollDistance(frame);