Fix Chromium clang plugin warnings

webrtc/modules/audio_processing/test/audio_processing_simulator.cc

Index: webrtc/modules/audio_processing/test/audio_processing_simulator.cc
diff --git a/webrtc/modules/audio_processing/test/audio_processing_simulator.cc b/webrtc/modules/audio_processing/test/audio_processing_simulator.cc
index 57b03ed4b29cb2ef70c9debf3e8aedc7d1974dba..a34c3ca78ee2922722031c98df0a76e02d7e3269 100644
--- a/webrtc/modules/audio_processing/test/audio_processing_simulator.cc
+++ b/webrtc/modules/audio_processing/test/audio_processing_simulator.cc
@@ -44,6 +44,10 @@ std::string GetIndexedOutputWavFilename(const std::string& wav_name,
 
 }  // namespace
 
+SimulationSettings::SimulationSettings() = default;
+SimulationSettings::SimulationSettings(const SimulationSettings&) = default;
+SimulationSettings::~SimulationSettings() = default;
+
 void CopyToAudioFrame(const ChannelBuffer<float>& src, AudioFrame* dest) {
   RTC_CHECK_EQ(src.num_channels(), dest->num_channels_);
   RTC_CHECK_EQ(src.num_frames(), dest->samples_per_channel_);
@@ -55,6 +59,12 @@ void CopyToAudioFrame(const ChannelBuffer<float>& src, AudioFrame* dest) {
   }
 }
 
+AudioProcessingSimulator::AudioProcessingSimulator(
+    const SimulationSettings& settings)
+    : settings_(settings) {}
+
+AudioProcessingSimulator::~AudioProcessingSimulator() = default;
+
 AudioProcessingSimulator::ScopedTimer::~ScopedTimer() {
   int64_t interval = rtc::TimeNanos() - start_time_;
   proc_time_->sum += interval;