Pool 64 bits of entropy instead of calling OpenSSL's RNG for one bit

net/quic/crypto/quic_random.h

Index: net/quic/crypto/quic_random.h
diff --git a/net/quic/crypto/quic_random.h b/net/quic/crypto/quic_random.h
index 68640c1695dcd73acef3d9a5435e5e0c44ed1cff..ac69b8567a9eb8192ac1e6a6ab6ea0a448c2d7e5 100644
--- a/net/quic/crypto/quic_random.h
+++ b/net/quic/crypto/quic_random.h
@@ -27,9 +27,6 @@ class NET_EXPORT_PRIVATE QuicRandom {
   // Returns a random number in the range [0, kuint64max].
   virtual uint64 RandUint64() = 0;
 
-  // Returns a random boolean value.
-  virtual bool RandBool() = 0;
-
   // Reseeds the random number generator with additional entropy input.
   // NOTE: the constructor of a QuicRandom object is responsible for seeding
   // itself with enough entropy input.