message: Fix compilation issue in TensorFlow TPU support
diff: @@ -257,7 +257,9 @@ void InitializeHostForDistributedTpuOp::Compute(OpKernelContext* ctx) {
  #if defined(LIBTFTPU)
  VLOG(1) << "Removing existing proto compilation cache lookup if it exists";
  - OP_REQUIRES_OK(ctx, DeleteIfExists<tpu::TpuCompilationCacheLookup>(
  + OP_REQUIRES_OK(
  + ctx, DeleteIfExists<tpu::TpuCompilationCacheLookup<
  + tpu::CompilationCacheEntryRef<tpu::TpuCompilationCacheEntry>>>(
  rmgr, tpu::kCompiledProtoCacheResourceName));
  #endif
  @@ -286,7 +288,9 @@ void InitializeHostForDistributedTpuOp::Compute(OpKernelContext* ctx) {
  local_compilation_cache->Unref();
  #if defined(LIBTFTPU)
  - tpu::TpuCompilationCacheLookup* proto_lookup;
  + tpu::TpuCompilationCacheLookup<
  + tpu::CompilationCacheEntryRef<tpu::TpuCompilationCacheEntry>>*
  + proto_lookup;
  proto_lookup =
  new tpu::TpuCompilationCacheLocalLookup(local_compilation_cache);
  OP_REQUIRES_OK(
  