Remove StatusOr from error_util.

It's currently unused and it's discouraged to use "using" directives in the header.

PiperOrigin-RevId: 284087238
Change-Id: I28ee8091ae9ed95b37842c84b4338163a4663d86

tensorflow/compiler/mlir/tensorflow/BUILD

@@ -567,7 +567,6 @@ cc_library(
     hdrs = ["utils/error_util.h"],
     deps = [
         "//tensorflow/core:lib",
-        "//tensorflow/stream_executor/lib",
         "@llvm//:support",
         "@local_config_mlir//:IR",
     ],

tensorflow/compiler/mlir/tensorflow/utils/error_util.h

@@ -22,13 +22,11 @@ limitations under the License.
 #include "mlir/IR/Location.h"  // TF:local_config_mlir
 #include "mlir/IR/MLIRContext.h"  // TF:local_config_mlir
 #include "tensorflow/core/lib/core/status.h"
-#include "tensorflow/stream_executor/lib/statusor.h"
 
 // Error utilities for MLIR when interacting with code using Status returns.
 namespace mlir {
 
 // TensorFlow's Status is used for error reporting back to callers.
-using stream_executor::port::StatusOr;
 using tensorflow::Status;
 
 // Diagnostic handler that collects all the diagnostics reported and can produce

tensorflow/compiler/mlir/xla/BUILD

@@ -408,6 +408,7 @@ cc_library(
         "//tensorflow/compiler/xla/client:xla_builder",
         "//tensorflow/compiler/xla/client/lib:matrix",
         "//tensorflow/compiler/xla/service:hlo",
+        "//tensorflow/stream_executor/lib",
         "@llvm//:support",
         "@local_config_mlir//:Analysis",
         "@local_config_mlir//:IR",

tensorflow/compiler/mlir/xla/mlir_hlo_to_hlo.cc

@@ -40,7 +40,9 @@ limitations under the License.
 #include "tensorflow/compiler/xla/service/hlo_module.h"
 #include "tensorflow/compiler/xla/status_macros.h"
 #include "tensorflow/compiler/xla/xla_data.pb.h"
+#include "tensorflow/stream_executor/lib/statusor.h"
 
+using ::stream_executor::port::StatusOr;
 using ::tensorflow::int16;
 using ::tensorflow::int32;
 using ::tensorflow::int64;