Add new class AudioBufferQueue.

media/base/test_helpers.h

Index: media/base/test_helpers.h
diff --git a/media/base/test_helpers.h b/media/base/test_helpers.h
index bc505d43a604f4368f2a29fe385f7eb2a0d4cc04..bb915d8dc46a3c179813b021ea59db871f8ce49c 100644
--- a/media/base/test_helpers.h
+++ b/media/base/test_helpers.h
@@ -8,16 +8,20 @@
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "media/base/pipeline_status.h"
+#include "media/base/sample_format.h"
 #include "media/base/video_decoder_config.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "ui/gfx/size.h"
 
 namespace base {
 class MessageLoop;
+class TimeDelta;
 }
 
 namespace media {
 
+class AudioBuffer;
+
 // Return a callback that expects to be run once.
 base::Closure NewExpectedClosure();
 PipelineStatusCB NewExpectedStatusCB(PipelineStatus status);
@@ -79,6 +83,24 @@ class TestVideoConfig {
   DISALLOW_IMPLICIT_CONSTRUCTORS(TestVideoConfig);
 };
 
+template <class T>
+scoped_refptr<AudioBuffer> MakeInterleavedAudioBuffer(

[scherkus (not reviewing), 2013/06/20 23:36:24]

given these are public methods let's get some docs here + below

[jrummell, 2013/06/21 01:17:22]

Done.

+    SampleFormat format,
+    int channels,
+    T start,
+    T increment,
+    int frames,
+    const base::TimeDelta start_time);

[scherkus (not reviewing), 2013/06/20 23:36:24]

is this supposed to be const-ref?

otherwise you could drop the const

[jrummell, 2013/06/21 01:17:22]

Done.

+
+template <class T>
+scoped_refptr<AudioBuffer> MakePlanarAudioBuffer(
+    SampleFormat format,
+    int channels,
+    T start,
+    T increment,
+    int frames,
+    const base::TimeDelta start_time);

[scherkus (not reviewing), 2013/06/20 23:36:24]

ditto

[jrummell, 2013/06/21 01:17:22]

Done.

+
 }  // namespace media
 
 #endif  // MEDIA_BASE_TEST_HELPERS_H_