message: RTC_EXPORT NV12BufferInterface
  Chrome and other platforms will need access to this class when sending
  biplanar buffers to webrtc.
  Cr-Commit-Position: refs/heads/master@{#32348}
diff: @@ -203,7 +203,7 @@ class BiplanarYuv8Buffer : public BiplanarYuvBuffer {
  // Represents Type::kNV12. NV12 is full resolution Y and half-resolution
  // interleved UV.
  -class NV12BufferInterface : public BiplanarYuv8Buffer {
  +class RTC_EXPORT NV12BufferInterface : public BiplanarYuv8Buffer {
  public:
  Type type() const override;
  