[XLA] Switch from tensorflow::str_util::Join to absl::StrJoin.

PiperOrigin-RevId: 210018843

1 files changed, 5 insertions, 4 deletions

diff --git a/tensorflow/compiler/xla/service/call_graph.cc b/tensorflow/compiler/xla/service/call_graph.cc
index 7386a42b76..30a6096716 100644
--- a/tensorflow/compiler/xla/service/call_graph.cc
+++ b/tensorflow/compiler/xla/service/call_graph.cc
@@ -19,6 +19,7 @@ limitations under the License.
 
 #include "absl/memory/memory.h"
 #include "absl/strings/str_cat.h"
+#include "absl/strings/str_join.h"
 #include "tensorflow/compiler/xla/map_util.h"
 #include "tensorflow/compiler/xla/status_macros.h"
 #include "tensorflow/compiler/xla/util.h"
@@ -71,10 +72,10 @@ CallContext GetInstructionCallContext(HloOpcode opcode) {
 }
 
 string CallSite::ToString() const {
-  return StrCat(instruction()->name(), " calls in context ",
-                CallContextToString(context()), ": ",
-                tensorflow::str_util::Join(
-                    called_computations(), ", ",
+  return StrCat(
+      instruction()->name(), " calls in context ",
+      CallContextToString(context()), ": ",
+      absl::StrJoin(called_computations(), ", ",
                     [](string* out, const HloComputation* computation) {
                       out->append(computation->name());
                     }));