Restructure the ipc_fuzzer directory.

tools/ipc_fuzzer/mutate/rand_util.cc

Index: tools/ipc_fuzzer/mutate/rand_util.cc
diff --git a/tools/ipc_fuzzer/mutate/rand_util.cc b/tools/ipc_fuzzer/mutate/rand_util.cc
deleted file mode 100644
index 3f3ba9a3cc598c855bca917494b77c8e9a09860c..0000000000000000000000000000000000000000
--- a/tools/ipc_fuzzer/mutate/rand_util.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2014 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 "base/rand_util.h"
-#include "tools/ipc_fuzzer/mutate/rand_util.h"
-
-namespace ipc_fuzzer {
-
-MersenneTwister* g_mersenne_twister = NULL;
-
-void InitRand() {
-  // TODO(aedla): convert to C++11 std::mt19937 in the future
-  g_mersenne_twister = new MersenneTwister();
-  g_mersenne_twister->init_genrand(static_cast<uint32>(base::RandUint64()));
-}
-
-}  // namespace ipc_fuzzer