Method DelayOp

tensorflow/core/common_runtime/testlib_ops.cc:88–90

class DelayOp : public AsyncOpKernel {
 public:
  explicit DelayOp(OpKernelConstruction* ctx) : AsyncOpKernel(ctx) {
    OP_REQUIRES_OK(ctx, ctx->GetAttr("micros", &micros_));
  }

  void ComputeAsync(OpKernelContext* ctx, DoneCallback done) override {
    ctx->set_output(0, ctx->input(0));