private:
// Callbacks for the GPUFeatureChecker.
void SetWebGLAvailability(bool available);
- void SetCSS3DAvailability(bool available);
void MaybeRunCallback();
int pending_requirement_checks_;
scoped_refptr<GPUFeatureChecker> webgl_checker_;
- scoped_refptr<GPUFeatureChecker> css3d_checker_;
base::Callback<void(std::vector<std::string> requirement_errorss)> callback_;
};