message: Remove dependence on lib/gtl/stl_util in sparse_matmul_op
diff: @@ -32,7 +32,6 @@ limitations under the License.
  #include "tensorflow/core/kernels/fill_functor.h"
  #include "tensorflow/core/lib/core/blocking_counter.h"
  #include "tensorflow/core/lib/core/threadpool.h"
  -#include "tensorflow/core/lib/gtl/stl_util.h"
  #include "tensorflow/core/platform/logging.h"
  #include "tensorflow/core/platform/macros.h"
  #include "tensorflow/core/platform/mutex.h"
  @@ -1612,12 +1611,17 @@ inline void SparseMatMul<TL, TR>::Compute(
  }
  bc.Wait();
  tasks.clear();
  - gtl::STLDeleteElements(&right_slices);
  + for (auto& temp : right_slices) {
  + delete temp;
  + }
  right_slices.clear();
  }
  }
  for (auto& left_slice : left_slices) {
  - gtl::STLDeleteElements(&left_slice);
  + for (auto& temp : left_slice) {
  + delete temp;
  + }
  + left_slice.clear();
  }
  }
  