Fixed integer signing bug in cubic bytes/packet implementation

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 73998ad270874c7a6980ab942cead0704015ce67..784ce326b957d5b3ef381fbfd8520ba953363874 100644
--- a/net/quic/core/congestion_control/cubic_bytes.h
+++ b/net/quic/core/congestion_control/cubic_bytes.h
@@ -45,6 +45,8 @@ class NET_EXPORT_PRIVATE CubicBytes {
   // window. Resets Cubic state during quiescence.
   void OnApplicationLimited();
 
+  void SetFixConvexMode(bool fix_convex_mode);
+
  private:
   static const QuicTime::Delta MaxCubicTimeInterval() {
     return QuicTime::Delta::FromMilliseconds(30);
@@ -89,6 +91,10 @@ class NET_EXPORT_PRIVATE CubicBytes {
   // Last congestion window in packets computed by cubic function.
   QuicByteCount last_target_congestion_window_;
 
+  // Fix convex mode for cubic.
+  // TODO(jokulik):  Remove once the cubic convex experiment is done.
+  bool fix_convex_mode_;
+
   DISALLOW_COPY_AND_ASSIGN(CubicBytes);
 };