Make TransferBufferToInFeed not virual so it compiles.

tensorflow/compiler/plugin/executor/transfer_manager.cc

@@ -147,6 +147,11 @@ Status ExecutorTransferManager::TransferLiteralToInfeed(
   return Status::OK();
 }
 
+Status ExecutorTransferManager::TransferBufferToInfeed(
+    se::StreamExecutor* executor, int64 size, const void* source) {
+  return Unimplemented("Transfer to Infeed");
+}
+
 Status ExecutorTransferManager::TransferLiteralFromOutfeed(
     perftools::gputools::StreamExecutor* executor, const Shape& literal_shape,
     Literal* literal) {

tensorflow/compiler/plugin/executor/transfer_manager.h

@@ -55,6 +55,9 @@ class ExecutorTransferManager : public TransferManager {
   Status TransferLiteralToInfeed(se::StreamExecutor* executor,
                                  const Literal& literal) override;
 
+  Status TransferBufferToInfeed(se::StreamExecutor* executor,
+                                 int64 size, const void* source) override;
+
   Status TransferLiteralFromOutfeed(se::StreamExecutor* executor,
                                     const Shape& literal_shape,
                                     Literal* literal) override;