Delete method FrameObject::GetBitstream.

webrtc/modules/video_coding/frame_buffer2_unittest.cc

Index: webrtc/modules/video_coding/frame_buffer2_unittest.cc
diff --git a/webrtc/modules/video_coding/frame_buffer2_unittest.cc b/webrtc/modules/video_coding/frame_buffer2_unittest.cc
index ebcbeb0254fe9c33f9cb00ea91e0cb564984f36a..276a70062ba4e693ae8b65779543b13a6c80619d 100644
--- a/webrtc/modules/video_coding/frame_buffer2_unittest.cc
+++ b/webrtc/modules/video_coding/frame_buffer2_unittest.cc
@@ -75,8 +75,6 @@ class VCMJitterEstimatorMock : public VCMJitterEstimator {
 
 class FrameObjectFake : public FrameObject {
  public:
-  bool GetBitstream(uint8_t* destination) const override { return true; }
-
   uint32_t Timestamp() const override { return timestamp; }
 
   int64_t ReceivedTime() const override { return 0; }