message: Rename segment_graph_ to segment_graph_def_
diff: @@ -142,7 +142,7 @@ class TRTEngineOp : public AsyncOpKernel {
  NameAttrList func_;
  // GraphDef representation of the segment.
  - GraphDef segment_graph_;
  + GraphDef segment_graph_def_;
  // Engine Precision mode.
  TrtPrecisionMode precision_mode_;
  @@ -278,7 +278,7 @@ TRTEngineOp::TRTEngineOp(OpKernelConstruction* context)
  OP_REQUIRES_OK(context,
  ConstructFunctionHandle(lib, context->device()->name()));
  OP_REQUIRES_OK(context,
  - FunctionDefToGraphDef(func_handle_, lib, &segment_graph_));
  + FunctionDefToGraphDef(func_handle_, lib, &segment_graph_def_));
  }
  // TODO(laigd): calibration_data is used in TF v1.x and we keep it only for
  // backward compatibility reasons. Remove it once all known users switch to
  @@ -780,7 +780,7 @@ StatusOr<EngineContext*> TRTEngineOp::GetEngine(
  // Up to this point, calibrator_ can never be empty, since otherwise it
  // means calibration_mode_ is true and this path won't get executed.
  auto status = convert::ConvertGraphDefToEngine(
  - segment_graph_, precision_mode_, batch_size, workspace_size_,
  + segment_graph_def_, precision_mode_, batch_size, workspace_size_,
  partial_shapes, &logger, allocator, calibrator_.get(), &engine,
  use_calibration_, use_implicit_batch_, &convert_successfully);
  if (!status.ok()) {
  @@ -867,7 +867,7 @@ Status TRTEngineOp::AllocateCalibrationResources(
  // TODO(aaroey): maybe setting the max batch size using the python
  // calibration wrapper class.
  auto s = convert::ConvertGraphDefToEngine(
  - this->segment_graph_, TrtPrecisionMode::INT8,
  + this->segment_graph_def_, TrtPrecisionMode::INT8,
  cres->calibrator_->getBatchSize(), this->workspace_size_,
  partial_shapes, &cache_res->GetLogger(), cache_res->allocator_.get(),
  cres->calibrator_.get(), &cres->engine_,
  