common/thread_worker: Use unique function

src/common/thread_worker.h

@@ -11,18 +11,20 @@
 #include <vector>
 #include <queue>
 
+#include "common/unique_function.h"
+
 namespace Common {
 
 class ThreadWorker final {
 public:
     explicit ThreadWorker(std::size_t num_workers, const std::string& name);
     ~ThreadWorker();
-    void QueueWork(std::function<void()>&& work);
+    void QueueWork(UniqueFunction<void> work);
     void WaitForRequests();
 
 private:
     std::vector<std::thread> threads;
-    std::queue<std::function<void()>> requests;
+    std::queue<UniqueFunction<void>> requests;
     std::mutex queue_mutex;
     std::condition_variable condition;
     std::condition_variable wait_condition;