Hide ACMCodecDB::database_ behind accessors

webrtc/modules/audio_coding/main/acm2/acm_codec_database.h

Index: webrtc/modules/audio_coding/main/acm2/acm_codec_database.h
diff --git a/webrtc/modules/audio_coding/main/acm2/acm_codec_database.h b/webrtc/modules/audio_coding/main/acm2/acm_codec_database.h
index b9fc2123b760d5b681d95fa231455437b424cde7..885d106b435ea3cb846afae06462e3da89af09fc 100644
--- a/webrtc/modules/audio_coding/main/acm2/acm_codec_database.h
+++ b/webrtc/modules/audio_coding/main/acm2/acm_codec_database.h
@@ -91,6 +91,7 @@ class ACMCodecDB {
   //   [payload_type] - payload type.
   static bool ValidPayloadType(int payload_type);
 
+ private:
   // Databases with information about the supported codecs
   // database_ - stored information about all codecs: payload type, name,
   //             sampling frequency, packet size in samples, default channel
@@ -100,8 +101,6 @@ class ACMCodecDB {
   //                   samples, and max number of channels that are supported.
   // neteq_decoders_ - list of supported decoders in NetEQ.
   static const CodecInst database_[kMaxNumCodecs];
-
- private:
   static const CodecSettings codec_settings_[kMaxNumCodecs];
   static const NetEqDecoder neteq_decoders_[kMaxNumCodecs];