Use variadic templates instead of pump for RefCountedObject

webrtc/base/refcountedobject.h.pump

-/*
- *  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() {}
-
-  $range i 0..10
-  $for i [[
-  $range j 0..i
-  template <$for j , [[class P$j]]>
-  $if i == 0 [[explicit ]]
-  RefCountedObject($for j , [[P$j&& p$j]]) : T($for j , [[std::forward<P$j>(p$j)]]) {}
-  ]]
-
-  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_