message: Minor cleanup for strings in xplane_to_profile_response.
diff: @@ -14,6 +14,8 @@ limitations under the License.
  ==============================================================================*/
  #include "tensorflow/core/profiler/convert/xplane_to_profile_response.h"
  +#include <string>
  +
  #include "absl/container/flat_hash_set.h"
  #include "absl/strings/str_cat.h"
  #include "absl/strings/string_view.h"
  @@ -78,14 +80,14 @@ Status ConvertProtoToJson(const Proto& proto_output, std::string* json_output) {
  // tensorflow::StringPiece.
  auto error_msg = status.message();
  return errors::Internal(
  - strings::StrCat("Could not convert proto to JSON string: ",
  - StringPiece(error_msg.data(), error_msg.length())));
  + "Could not convert proto to JSON string: ",
  + absl::string_view(error_msg.data(), error_msg.length()));
  }
  return Status::OK();
  }
  // Returns the tool name with extension.
  -string ToolName(absl::string_view tool) {
  +std::string ToolName(absl::string_view tool) {
  if (tool == kTraceViewer) return "trace.json.gz";
  if (tool == kMemoryProfile) return "memory_profile.json.gz";
  return absl::StrCat(tool, ".pb");
  