Mark |Clock*| as |const Clock*| (for some CongestionController and BWE related modules)

webrtc/modules/pacing/paced_sender.cc

 /*
  *  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.
  */
 
@@ skipping 73 matching lines @@
     if (first->capture_time_ms != second->capture_time_ms)
       return first->capture_time_ms > second->capture_time_ms;
 
     return first->enqueue_order > second->enqueue_order;
   }
 };
 
 // Class encapsulating a priority queue with some extensions.
 class PacketQueue {
  public:
-  explicit PacketQueue(Clock* clock)
+  explicit PacketQueue(const Clock* clock)
       : bytes_(0),
         clock_(clock),
         queue_time_sum_(0),
         time_last_updated_(clock_->TimeInMilliseconds()) {}
   virtual ~PacketQueue() {}
 
   void Push(const Packet& packet) {
     if (!AddToDupeSet(packet))
       return;
 
@@ skipping 84 matching lines @@
   // occur out of order, use list instead of vector.
   std::list<Packet> packet_list_;
   // Priority queue of the packets, sorted according to Comparator.
   // Use pointers into list, to avoid moving whole struct within heap.
   std::priority_queue<Packet*, std::vector<Packet*>, Comparator> prio_queue_;
   // Total number of bytes in the queue.
   uint64_t bytes_;
   // Map<ssrc, std::set<seq_no> >, for checking duplicates.
   typedef std::map<uint32_t, std::set<uint16_t> > SsrcSeqNoMap;
   SsrcSeqNoMap dupe_map_;
-  Clock* const clock_;
+  const Clock* const clock_;
   int64_t queue_time_sum_;
   int64_t time_last_updated_;
 };
 
 class IntervalBudget {
  public:
   explicit IntervalBudget(int initial_target_rate_kbps)
       : target_rate_kbps_(initial_target_rate_kbps),
         bytes_remaining_(0) {}
 
@@ skipping 29 matching lines @@
   static const int kWindowMs = 500;
 
   int target_rate_kbps_;
   int bytes_remaining_;
 };
 }  // namespace paced_sender
 
 const int64_t PacedSender::kMaxQueueLengthMs = 2000;
 const float PacedSender::kDefaultPaceMultiplier = 2.5f;
 
-PacedSender::PacedSender(Clock* clock, PacketSender* packet_sender)
+PacedSender::PacedSender(const Clock* clock, PacketSender* packet_sender)
     : clock_(clock),
       packet_sender_(packet_sender),
       alr_detector_(new AlrDetector()),
       critsect_(CriticalSectionWrapper::CreateCriticalSection()),
       paused_(false),
       media_budget_(new paced_sender::IntervalBudget(0)),
       padding_budget_(new paced_sender::IntervalBudget(0)),
       prober_(new BitrateProber()),
       probing_send_failure_(false),
       estimated_bitrate_bps_(0),
@@ skipping 240 matching lines @@
 void PacedSender::UpdateBudgetWithElapsedTime(int64_t delta_time_ms) {
   media_budget_->IncreaseBudget(delta_time_ms);
   padding_budget_->IncreaseBudget(delta_time_ms);
 }
 
 void PacedSender::UpdateBudgetWithBytesSent(size_t bytes_sent) {
   media_budget_->UseBudget(bytes_sent);
   padding_budget_->UseBudget(bytes_sent);
 }
 }  // namespace webrtc