Cleanup: Put QUIC test-only MockRandom class in the gfe_quic::test namespace

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 {
+namespace test {
 
 MockRandom::MockRandom()
     : base_(0xDEADBEEF),
       increment_(0) {
 }
 
 MockRandom::MockRandom(uint32 base)
     : base_(base),
       increment_(0) {
 }
 
 void MockRandom::RandBytes(void* data, size_t len) {
   memset(data, 'r' + increment_, len);
 }
 
 uint64 MockRandom::RandUint64() {
   return base_ + increment_;
 }
 
 void MockRandom::Reseed(const void* additional_entropy, size_t entropy_len) {
 }
 
 void MockRandom::ChangeValue() {
   increment_++;
 }
 
+}  // namespace test
 }  // namespace net