message: Fix a nightly breakage.
diff: @@ -40,8 +40,17 @@ limitations under the License.
  namespace tensorflow {
  struct ProfilerContext;
  +
  +#if GOOGLE_CUDA
  std::unique_ptr<profiler::ProfilerInterface> CreateDeviceTracer(
  const ProfilerContext*);
  +#else
  +// We don't have device tracer for non-cuda case.
  +std::unique_ptr<profiler::ProfilerInterface> CreateDeviceTracer(
  + const ProfilerContext*) {
  + return nullptr;
  +}
  +#endif
  namespace {
  