Switch to standard integer types in tools/.

tools/ipc_fuzzer/message_lib/message_cracker.h

 // Copyright 2013 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.
 
 #ifndef TOOLS_IPC_FUZZER_MESSAGE_LIB_MESSAGE_CRACKER_H_
 #define TOOLS_IPC_FUZZER_MESSAGE_LIB_MESSAGE_CRACKER_H_
 
+#include <stdint.h>
 #include <string.h>
+#include "base/macros.h"
 #include "ipc/ipc_message.h"
 
 // Means for updating protected message fields.
 class MessageCracker : public IPC::Message {
  public:
   static void CopyMessageID(IPC::Message* dst, IPC::Message* src) {
     memcpy(ToCracker(dst)->mutable_payload(),
            ToCracker(src)->payload(),
            sizeof(int));
   }
 
-  static void SetMessageType(IPC::Message* message, uint32 type) {
+  static void SetMessageType(IPC::Message* message, uint32_t type) {
     ToCracker(message)->header()->type = type;
   }
 
  private:
   static MessageCracker* ToCracker(IPC::Message* message) {
     return reinterpret_cast<MessageCracker*>(message);
   }
 
   DISALLOW_COPY_AND_ASSIGN(MessageCracker);
 };
 
 #endif  // TOOLS_IPC_FUZZER_MESSAGE_LIB_MESSAGE_CRACKER_H_