Completely revert all my IPC work to see if this was what regressed the page cycler.

ipc/ipc_fuzzing_tests.cc

 // Copyright (c) 2006-2008 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 <stdio.h>
 #include <string>
 #include <sstream>
 
 #include "base/message_loop.h"
 #include "base/platform_thread.h"
 #include "base/process_util.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_message_utils.h"
-#include "ipc/ipc_message_utils_impl.h"
 #include "ipc/ipc_tests.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/multiprocess_func_list.h"
 
 TEST(IPCMessageIntegrity, ReadBeyondBufferStr) {
   //This was BUG 984408.
   uint32 v1 = kuint32max - 1;
   int v2 = 666;
   IPC::Message m(0, 1, IPC::Message::PRIORITY_NORMAL);
   EXPECT_TRUE(m.WriteInt(v1));
@@ skipping 397 matching lines @@
   msg = new IPC::Message(MSG_ROUTING_CONTROL, MsgClassIS::ID,
                          IPC::Message::PRIORITY_NORMAL);
   msg->WriteInt(0x64);
   msg->WriteInt(0x32);
   EXPECT_FALSE(server.OnMessageReceived(*msg));
   delete msg;
 
   EXPECT_EQ(0, server.unhandled_msgs());
 #endif
 }