Update thread annotiation macros in modules to use RTC_ prefix

webrtc/modules/bitrate_controller/bitrate_controller_impl.h

 /*
  *  Copyright (c) 2012 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.
  *
  *  Usage: this class will register multiple RtcpBitrateObserver's one at each
@@ skipping 65 matching lines @@
 
   void OnReceivedRtcpReceiverReport(const ReportBlockList& report_blocks,
                                     int64_t rtt,
                                     int64_t now_ms) override;
 
   // Deprecated
   void MaybeTriggerOnNetworkChanged();
 
   void OnNetworkChanged(uint32_t bitrate,
                         uint8_t fraction_loss,  // 0 - 255.
-                        int64_t rtt) EXCLUSIVE_LOCKS_REQUIRED(critsect_);
+                        int64_t rtt) RTC_EXCLUSIVE_LOCKS_REQUIRED(critsect_);
 
   // Used by process thread.
   const Clock* const clock_;
   BitrateObserver* const observer_;
   int64_t last_bitrate_update_ms_;
   RtcEventLog* const event_log_;
 
   rtc::CriticalSection critsect_;
   std::map<uint32_t, uint32_t> ssrc_to_last_received_extended_high_seq_num_
-      GUARDED_BY(critsect_);
-  SendSideBandwidthEstimation bandwidth_estimation_ GUARDED_BY(critsect_);
-  uint32_t reserved_bitrate_bps_ GUARDED_BY(critsect_);
+      RTC_GUARDED_BY(critsect_);
+  SendSideBandwidthEstimation bandwidth_estimation_ RTC_GUARDED_BY(critsect_);
+  uint32_t reserved_bitrate_bps_ RTC_GUARDED_BY(critsect_);
 
-  uint32_t last_bitrate_bps_ GUARDED_BY(critsect_);
-  uint8_t last_fraction_loss_ GUARDED_BY(critsect_);
-  int64_t last_rtt_ms_ GUARDED_BY(critsect_);
-  uint32_t last_reserved_bitrate_bps_ GUARDED_BY(critsect_);
+  uint32_t last_bitrate_bps_ RTC_GUARDED_BY(critsect_);
+  uint8_t last_fraction_loss_ RTC_GUARDED_BY(critsect_);
+  int64_t last_rtt_ms_ RTC_GUARDED_BY(critsect_);
+  uint32_t last_reserved_bitrate_bps_ RTC_GUARDED_BY(critsect_);
 
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(BitrateControllerImpl);
 };
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_BITRATE_CONTROLLER_BITRATE_CONTROLLER_IMPL_H_