PaintUpdate        28 ppapi/utility/graphics/paint_aggregator.cc PaintAggregator::PaintUpdate::PaintUpdate() : has_scroll(false) {}
PaintUpdate        30 ppapi/utility/graphics/paint_aggregator.cc PaintAggregator::PaintUpdate::~PaintUpdate() {}
PaintUpdate        29 ppapi/utility/graphics/paint_aggregator.h   struct PaintUpdate {