SurfaceVisibleCallback   55 cc/test/test_context_support.cc     const SurfaceVisibleCallback& set_visible_callback) {
SurfaceVisibleCallback   42 cc/test/test_context_support.h       const SurfaceVisibleCallback& set_visible_callback);
SurfaceVisibleCallback   68 cc/test/test_context_support.h   SurfaceVisibleCallback set_visible_callback_;