Change RefCountedObject to use perfect forwarding.

webrtc/base/refcountedobject.h

+// This file was GENERATED by command:
+//     pump.py refcountedobject.h.pump
+// DO NOT EDIT BY HAND!!!
+
+/*
+ *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+// To generate refcount.h from refcount.h.pump, execute:
+// ./testing/gtest/scripts/pump.py ./webrtc/base/refcountedobject.h.pump
+
+#ifndef WEBRTC_BASE_REFCOUNTEDOBJECT_H_
+#define WEBRTC_BASE_REFCOUNTEDOBJECT_H_
+
+#include <utility>
+
+#include "webrtc/base/atomicops.h"
+
+namespace rtc {
+
+template <class T>
+class RefCountedObject : public T {
+ public:
+  RefCountedObject() {}
+
+  template <class P0>
+  explicit RefCountedObject(P0&& p0) : T(std::forward<P0>(p0)) {}
+  template <class P0, class P1>
+  RefCountedObject(P0&& p0, P1&& p1)
+      : T(std::forward<P0>(p0), std::forward<P1>(p1)) {}
+  template <class P0, class P1, class P2>
+  RefCountedObject(P0&& p0, P1&& p1, P2&& p2)
+      : T(std::forward<P0>(p0), std::forward<P1>(p1), std::forward<P2>(p2)) {}
+  template <class P0, class P1, class P2, class P3>
+  RefCountedObject(P0&& p0, P1&& p1, P2&& p2, P3&& p3)
+      : T(std::forward<P0>(p0),
+          std::forward<P1>(p1),
+          std::forward<P2>(p2),
+          std::forward<P3>(p3)) {}
+  template <class P0, class P1, class P2, class P3, class P4>
+  RefCountedObject(P0&& p0, P1&& p1, P2&& p2, P3&& p3, P4&& p4)
+      : T(std::forward<P0>(p0),
+          std::forward<P1>(p1),
+          std::forward<P2>(p2),
+          std::forward<P3>(p3),
+          std::forward<P4>(p4)) {}
+  template <class P0, class P1, class P2, class P3, class P4, class P5>
+  RefCountedObject(P0&& p0, P1&& p1, P2&& p2, P3&& p3, P4&& p4, P5&& p5)
+      : T(std::forward<P0>(p0),
+          std::forward<P1>(p1),
+          std::forward<P2>(p2),
+          std::forward<P3>(p3),
+          std::forward<P4>(p4),
+          std::forward<P5>(p5)) {}
+  template <class P0,
+            class P1,
+            class P2,
+            class P3,
+            class P4,
+            class P5,
+            class P6>
+  RefCountedObject(P0&& p0,
+                   P1&& p1,
+                   P2&& p2,
+                   P3&& p3,
+                   P4&& p4,
+                   P5&& p5,
+                   P6&& p6)
+      : T(std::forward<P0>(p0),
+          std::forward<P1>(p1),
+          std::forward<P2>(p2),
+          std::forward<P3>(p3),
+          std::forward<P4>(p4),
+          std::forward<P5>(p5),
+          std::forward<P6>(p6)) {}
+  template <class P0,
+            class P1,
+            class P2,
+            class P3,
+            class P4,
+            class P5,
+            class P6,
+            class P7>
+  RefCountedObject(P0&& p0,
+                   P1&& p1,
+                   P2&& p2,
+                   P3&& p3,
+                   P4&& p4,
+                   P5&& p5,
+                   P6&& p6,
+                   P7&& p7)
+      : T(std::forward<P0>(p0),
+          std::forward<P1>(p1),
+          std::forward<P2>(p2),
+          std::forward<P3>(p3),
+          std::forward<P4>(p4),
+          std::forward<P5>(p5),
+          std::forward<P6>(p6),
+          std::forward<P7>(p7)) {}
+  template <class P0,
+            class P1,
+            class P2,
+            class P3,
+            class P4,
+            class P5,
+            class P6,
+            class P7,
+            class P8>
+  RefCountedObject(P0&& p0,
+                   P1&& p1,
+                   P2&& p2,
+                   P3&& p3,
+                   P4&& p4,
+                   P5&& p5,
+                   P6&& p6,
+                   P7&& p7,
+                   P8&& p8)
+      : T(std::forward<P0>(p0),
+          std::forward<P1>(p1),
+          std::forward<P2>(p2),
+          std::forward<P3>(p3),
+          std::forward<P4>(p4),
+          std::forward<P5>(p5),
+          std::forward<P6>(p6),
+          std::forward<P7>(p7),
+          std::forward<P8>(p8)) {}
+  template <class P0,
+            class P1,
+            class P2,
+            class P3,
+            class P4,
+            class P5,
+            class P6,
+            class P7,
+            class P8,
+            class P9>
+  RefCountedObject(P0&& p0,
+                   P1&& p1,
+                   P2&& p2,
+                   P3&& p3,
+                   P4&& p4,
+                   P5&& p5,
+                   P6&& p6,
+                   P7&& p7,
+                   P8&& p8,
+                   P9&& p9)
+      : T(std::forward<P0>(p0),
+          std::forward<P1>(p1),
+          std::forward<P2>(p2),
+          std::forward<P3>(p3),
+          std::forward<P4>(p4),
+          std::forward<P5>(p5),
+          std::forward<P6>(p6),
+          std::forward<P7>(p7),
+          std::forward<P8>(p8),
+          std::forward<P9>(p9)) {}
+  template <class P0,
+            class P1,
+            class P2,
+            class P3,
+            class P4,
+            class P5,
+            class P6,
+            class P7,
+            class P8,
+            class P9,
+            class P10>
+  RefCountedObject(P0&& p0,
+                   P1&& p1,
+                   P2&& p2,
+                   P3&& p3,
+                   P4&& p4,
+                   P5&& p5,
+                   P6&& p6,
+                   P7&& p7,
+                   P8&& p8,
+                   P9&& p9,
+                   P10&& p10)
+      : T(std::forward<P0>(p0),
+          std::forward<P1>(p1),
+          std::forward<P2>(p2),
+          std::forward<P3>(p3),
+          std::forward<P4>(p4),
+          std::forward<P5>(p5),
+          std::forward<P6>(p6),
+          std::forward<P7>(p7),
+          std::forward<P8>(p8),
+          std::forward<P9>(p9),
+          std::forward<P10>(p10)) {}
+
+  virtual int AddRef() const { return AtomicOps::Increment(&ref_count_); }
+
+  virtual int Release() const {
+    int count = AtomicOps::Decrement(&ref_count_);
+    if (!count) {
+      delete this;
+    }
+    return count;
+  }
+
+  // Return whether the reference count is one. If the reference count is used
+  // in the conventional way, a reference count of 1 implies that the current
+  // thread owns the reference and no other thread shares it. This call
+  // performs the test for a reference count of one, and performs the memory
+  // barrier needed for the owning thread to act on the object, knowing that it
+  // has exclusive access to the object.
+  virtual bool HasOneRef() const {
+    return AtomicOps::AcquireLoad(&ref_count_) == 1;
+  }
+
+ protected:
+  virtual ~RefCountedObject() {}
+
+  mutable volatile int ref_count_ = 0;
+};
+
+}  // namespace rtc
+
+#endif  // WEBRTC_BASE_REFCOUNTEDOBJECT_H_