Fix clang style warnings in webrtc/modules/audio_coding
Mostly this consists of marking functions with override when
applicable, and moving function bodies from .h to .cc files.
BUG=163
R=henrik.lundin@webrtc.org, tina.legrand@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/44979004
Cr-Commit-Position: refs/heads/master@{#8938}
diff --git a/webrtc/modules/audio_coding/main/acm2/nack.cc b/webrtc/modules/audio_coding/main/acm2/nack.cc
index 4324cd2..525b1ea 100644
--- a/webrtc/modules/audio_coding/main/acm2/nack.cc
+++ b/webrtc/modules/audio_coding/main/acm2/nack.cc
@@ -40,6 +40,8 @@
samples_per_packet_(sample_rate_khz_ * kDefaultPacketSizeMs),
max_nack_list_size_(kNackListSizeLimit) {}
+Nack::~Nack() = default;
+
Nack* Nack::Create(int nack_threshold_packets) {
return new Nack(nack_threshold_packets);
}