message: Use internal linkage for classes defined in compute_task.mm.
diff: @@ -39,22 +39,28 @@ using ::tflite::gpu::metal::UniformsFunction;
  using ::tflite::gpu::uint3;
  using ::tflite::gpu::ValueId;
  -@implementation TFLComputeTask {
  +namespace {
  +
  struct InputBuffer {
  ValueId uid;
  id<MTLBuffer> metalHandle;
  };
  +
  struct OutputBuffer {
  ValueId uid;
  id<MTLBuffer> metalHandle;
  OutputDimensions dimensionsFunction;
  std::vector<ValueId> alias;
  };
  +
  struct UniformBuffer {
  std::vector<uint8_t> data;
  UniformsFunction dataFunction;
  };
  +} // namespace
  +
  +@implementation TFLComputeTask {
  id<MTLComputePipelineState> _program;
  std::vector<InputBuffer> _inputBuffers;
  std::vector<OutputBuffer> _outputBuffers;
  