PaintRect        1679 content/renderer/render_widget.cc       PaintRect(rect, pixel_bounds.origin(), canvas.get());
PaintRect        2264 content/renderer/render_widget.cc   PaintRect(viewport_size, viewport_size.origin(), canvas.get());
PaintRect         293 content/renderer/render_widget.h   void PaintRect(const gfx::Rect& rect, const gfx::Point& canvas_origin,