Land recent QUIC changes.

net/quic/test_tools/mock_random.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/test_tools/mock_random.h"
 
 namespace net {
 
 void MockRandom::RandBytes(void* data, size_t len) {
   memset(data, 'r', len);
 }
 
 uint64 MockRandom::RandUint64() {
   return 0xDEADBEEF;
 }
 
+bool MockRandom::RandBool() {
+  return false;
+}
+
 void MockRandom::Reseed(const void* additional_entropy, size_t entropy_len) {
 }
 
 }  // namespace net