Switch to standard integer types in ipc/.

ipc/ipc_channel_reader.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 "ipc/ipc_channel_reader.h"
 
+#include <stddef.h>
+
 #include <algorithm>
 
 #include "base/message_loop/message_loop.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_logging.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_attachment_set.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_start.h"
 
@@ skipping 315 matching lines @@
   if (size <= Channel::kMaximumMessageSize) {
     return true;
   }
   input_overflow_buf_.clear();
   LOG(ERROR) << "IPC message is too big: " << size;
   return false;
 }
 
 }  // namespace internal
 }  // namespace IPC