relnote: Protected by --quic_fix_cubic_bytes_quantization. Fix CubicBytes Quantization.

net/quic/core/congestion_control/cubic_bytes.h

Index: net/quic/core/congestion_control/cubic_bytes.h
diff --git a/net/quic/core/congestion_control/cubic_bytes.h b/net/quic/core/congestion_control/cubic_bytes.h
index 481b012ad3cebbbbb67db16f0f5d4dce2b32285b..0ecfce745728e5f2004072d484fcdc89dae14970 100644
--- a/net/quic/core/congestion_control/cubic_bytes.h
+++ b/net/quic/core/congestion_control/cubic_bytes.h
@@ -19,6 +19,10 @@
 
 namespace net {
 
+namespace test {
+class CubicBytesTest;
+}  // namespace test
+
 class QUIC_EXPORT_PRIVATE CubicBytes {
  public:
   explicit CubicBytes(const QuicClock* clock);
@@ -47,7 +51,11 @@ class QUIC_EXPORT_PRIVATE CubicBytes {
 
   void SetFixConvexMode(bool fix_convex_mode);
 
+  void SetFixCubicQuantization(bool fix_cubic_quantization);
+
  private:
+  friend class test::CubicBytesTest;
+
   static const QuicTime::Delta MaxCubicTimeInterval() {
     return QuicTime::Delta::FromMilliseconds(30);
   }
@@ -95,6 +103,10 @@ class QUIC_EXPORT_PRIVATE CubicBytes {
   // TODO(jokulik):  Remove once the cubic convex experiment is done.
   bool fix_convex_mode_;
 
+  // Fix for quantization in cubic mode.
+  // TODO(jokulik):  Remove once the experiment is done.
+  bool fix_cubic_quantization_;
+
   DISALLOW_COPY_AND_ASSIGN(CubicBytes);
 };