Add thread annotation macros with RTC_ prefix.

webrtc/rtc_base/thread_checker.h

 /*
  *  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.
  */
 
@@ skipping 85 matching lines @@
     return checker->CalledOnValidThread();
   }
 
  private:
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(AnnounceOnThread);
 };
 
 }  // namespace internal
 }  // namespace rtc
 
-// RUN_ON/ACCESS_ON/RTC_DCHECK_RUN_ON macros allows to annotate variables are
-// accessed from same thread/task queue.
+// RTC_RUN_ON/RTC_ACCESS_ON/RTC_DCHECK_RUN_ON macros allows to annotate
+// variables are accessed from same thread/task queue.
 // Using tools designed to check mutexes, it checks at compile time everywhere
 // variable is access, there is a run-time dcheck thread/task queue is correct.
 //
 // class ExampleThread {
 //  public:
 //   void NeedVar1() {
 //     RTC_DCHECK_RUN_ON(network_thread_);
 //     transport_->Send();
 //   }
 //
 //  private:
 //   rtc::Thread* network_thread_;
-//   int transport_ ACCESS_ON(network_thread_);
+//   int transport_ RTC_ACCESS_ON(network_thread_);
 // };
 //
 // class ExampleThreadChecker {
 //  public:
-//   int CalledFromPacer() RUN_ON(pacer_thread_checker_) {
+//   int CalledFromPacer() RTC_RUN_ON(pacer_thread_checker_) {
 //     return var2_;
 //   }
 //
 //   void CallMeFromPacer() {
 //     RTC_DCHECK_RUN_ON(&pacer_thread_checker_)
 //        << "Should be called from pacer";
 //     CalledFromPacer();
 //   }
 //
 //  private:
-//   int pacer_var_ ACCESS_ON(pacer_thread_checker_);
+//   int pacer_var_ RTC_ACCESS_ON(pacer_thread_checker_);
 //   rtc::ThreadChecker pacer_thread_checker_;
 // };
 //
 // class TaskQueueExample {
 //  public:
 //   class Encoder {
 //    public:
 //     rtc::TaskQueue* Queue() { return encoder_queue_; }
 //     void Encode() {
 //       RTC_DCHECK_RUN_ON(encoder_queue_);
 //       DoSomething(var_);
 //     }
 //
 //    private:
 //     rtc::TaskQueue* const encoder_queue_;
-//     Frame var_ ACCESS_ON(encoder_queue_);
+//     Frame var_ RTC_ACCESS_ON(encoder_queue_);
 //   };
 //
 //   void Encode() {
 //     // Will fail at runtime when DCHECK is enabled:
 //     // encoder_->Encode();
 //     // Will work:
 //     rtc::scoped_ref_ptr<Encoder> encoder = encoder_;
 //     encoder_->Queue()->PostTask([encoder] { encoder->Encode(); });
 //   }
 //
 //  private:
 //   rtc::scoped_ref_ptr<Encoder> encoder_;
 // }
 
 // Document if a variable/field is not shared and should be accessed from
 // same thread/task queue.
-#define ACCESS_ON(x) THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
+#define ACCESS_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
+#define RTC_ACCESS_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
 
 // Document if a function expected to be called from same thread/task queue.
-#define RUN_ON(x) THREAD_ANNOTATION_ATTRIBUTE__(exclusive_locks_required(x))
+#define RUN_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(exclusive_locks_required(x))
+#define RTC_RUN_ON(x) RTC_THREAD_ANNOTATION_ATTRIBUTE__(exclusive_locks_required(x))
 
 #define RTC_DCHECK_RUN_ON(thread_like_object) \
   rtc::internal::AnnounceOnThread thread_announcer(thread_like_object); \
   RTC_DCHECK(rtc::internal::AnnounceOnThread::IsCurrent(thread_like_object))
 
 #endif  // WEBRTC_RTC_BASE_THREAD_CHECKER_H_