Using ring buffer for AudioVector in NetEq.

webrtc/modules/audio_coding/neteq/audio_vector_unittest.cc

Index: webrtc/modules/audio_coding/neteq/audio_vector_unittest.cc
diff --git a/webrtc/modules/audio_coding/neteq/audio_vector_unittest.cc b/webrtc/modules/audio_coding/neteq/audio_vector_unittest.cc
index 08009863455494053723ea2e8631d6b2726800b5..cee7e586695caa28dcb3978ccde7523204656364 100644
--- a/webrtc/modules/audio_coding/neteq/audio_vector_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/audio_vector_unittest.cc
@@ -82,14 +82,6 @@ TEST_F(AudioVectorTest, PushBackAndCopy) {
   EXPECT_TRUE(vec_copy.Empty());
 }
 
-// Try to copy to a NULL pointer. Nothing should happen.
-TEST_F(AudioVectorTest, CopyToNull) {
-  AudioVector vec;
-  AudioVector* vec_copy = NULL;
-  vec.PushBack(array_, array_length());
-  vec.CopyTo(vec_copy);
-}
-
 // Test the PushBack method with another AudioVector as input argument.
 TEST_F(AudioVectorTest, PushBackVector) {
   static const size_t kLength = 10;