WIP: Adding a centralized NetEq Clock

webrtc/modules/audio_coding/neteq/neteq_impl.h

Index: webrtc/modules/audio_coding/neteq/neteq_impl.h
diff --git a/webrtc/modules/audio_coding/neteq/neteq_impl.h b/webrtc/modules/audio_coding/neteq/neteq_impl.h
index 75055a7b47fe54e18b4069e6506bd6abc1fc75d1..9228df625fe0204d76fcdeaaf1fddb6418010f78 100644
--- a/webrtc/modules/audio_coding/neteq/neteq_impl.h
+++ b/webrtc/modules/audio_coding/neteq/neteq_impl.h
@@ -24,6 +24,7 @@
 #include "webrtc/modules/audio_coding/neteq/random_vector.h"
 #include "webrtc/modules/audio_coding/neteq/rtcp.h"
 #include "webrtc/modules/audio_coding/neteq/statistics_calculator.h"
+#include "webrtc/modules/audio_coding/neteq/tick_timer.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
@@ -68,6 +69,7 @@ class NetEqImpl : public webrtc::NetEq {
   // Creates a new NetEqImpl object. The object will assume ownership of all
   // injected dependencies, and will delete them when done.
   NetEqImpl(const NetEq::Config& config,
+            std::unique_ptr<TickTimer> tick_timer,
             BufferLevelFilter* buffer_level_filter,
             DecoderDatabase* decoder_database,
             DelayManager* delay_manager,
@@ -328,6 +330,7 @@ class NetEqImpl : public webrtc::NetEq {
   virtual void CreateDecisionLogic() EXCLUSIVE_LOCKS_REQUIRED(crit_sect_);
 
   rtc::CriticalSection crit_sect_;
+  const std::unique_ptr<TickTimer> tick_timer_ GUARDED_BY(crit_sect_);
   const std::unique_ptr<BufferLevelFilter> buffer_level_filter_
       GUARDED_BY(crit_sect_);
   const std::unique_ptr<DecoderDatabase> decoder_database_
@@ -389,6 +392,8 @@ class NetEqImpl : public webrtc::NetEq {
   bool nack_enabled_ GUARDED_BY(crit_sect_);
   AudioFrame::VADActivity last_vad_activity_ GUARDED_BY(crit_sect_) =
       AudioFrame::kVadPassive;
+  std::unique_ptr<TickTimer::Stopwatch> generated_noise_stopwatch_
+      GUARDED_BY(crit_sect_);
 
  private:
   RTC_DISALLOW_COPY_AND_ASSIGN(NetEqImpl);