Remove various IDs:

- AudioFrame
- AudioCodingModule

BUG=webrtc:4690
TBR=kwiberg@webrtc.org

Review-Url: https://codereview.webrtc.org/3019543002
Cr-Commit-Position: refs/heads/master@{#20005}
diff --git a/modules/audio_coding/test/TestAllCodecs.cc b/modules/audio_coding/test/TestAllCodecs.cc
index 74319c2..ff28a28 100644
--- a/modules/audio_coding/test/TestAllCodecs.cc
+++ b/modules/audio_coding/test/TestAllCodecs.cc
@@ -104,8 +104,8 @@
 }
 
 TestAllCodecs::TestAllCodecs(int test_mode)
-    : acm_a_(AudioCodingModule::Create(0)),
-      acm_b_(AudioCodingModule::Create(1)),
+    : acm_a_(AudioCodingModule::Create()),
+      acm_b_(AudioCodingModule::Create()),
       channel_a_to_b_(NULL),
       test_count_(0),
       packet_size_samples_(0),