Change RefCountedObject to use perfect forwarding.

webrtc/BUILD.gn

 # Copyright (c) 2014 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.
 
 # TODO(kjellander): Rebase this to webrtc/build/common.gypi changes after r6330.
 
@@ skipping 366 matching lines @@
       "base/optionsfile_unittest.cc",
       "base/pathutils_unittest.cc",
       "base/platform_thread_unittest.cc",
       "base/proxy_unittest.cc",
       "base/proxydetect_unittest.cc",
       "base/random_unittest.cc",
       "base/rate_limiter_unittest.cc",
       "base/rate_statistics_unittest.cc",
       "base/ratelimiter_unittest.cc",
       "base/ratetracker_unittest.cc",
+      "base/refcount_unittest.cc",
       "base/rollingaccumulator_unittest.cc",
       "base/rtccertificate_unittest.cc",
       "base/rtccertificategenerator_unittest.cc",
       "base/scopedptrcollection_unittest.cc",
       "base/sequenced_task_checker_unittest.cc",
       "base/sha1digest_unittest.cc",
       "base/sharedexclusivelock_unittest.cc",
       "base/signalthread_unittest.cc",
       "base/sigslot_unittest.cc",
       "base/sigslottester.h",
@@ skipping 394 matching lines @@
 
       deps = [
         "//base:base_java_test_support",
         "//webrtc/api:libjingle_peerconnection_java",
         "//webrtc/api:libjingle_peerconnection_jni",
         "//webrtc/examples:AppRTCMobile_javalib",
       ]
     }
   }
 }