Switch to standard integer types in components/, part 2 of 4.

components/history/content/browser/download_constants_utils.h

 // Copyright 2015 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 COMPONENTS_HISTORY_CONTENT_BROWSER_DOWNLOAD_CONSTANTS_UTILS_H_
 #define COMPONENTS_HISTORY_CONTENT_BROWSER_DOWNLOAD_CONSTANTS_UTILS_H_
 
+#include <stdint.h>
+
 #include <string>
 
 #include "components/history/core/browser/download_types.h"
 #include "content/public/browser/download_danger_type.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 #include "content/public/browser/download_item.h"
 
 namespace history {
 
 // Utility functions to convert between content::DownloadItem::DownloadState
@@ skipping 15 matching lines @@
 // meaning in history, but have a different type to avoid bugs due to
 // implicit conversions).
 content::DownloadInterruptReason ToContentDownloadInterruptReason(
     DownloadInterruptReason interrupt_reason);
 DownloadInterruptReason ToHistoryDownloadInterruptReason(
     content::DownloadInterruptReason interrupt_reason);
 
 // Utility functions to convert between content download id values and
 // history::DownloadId type (value have no meaning in history, except
 // for kInvalidDownloadId).
-uint32 ToContentDownloadId(DownloadId id);
-DownloadId ToHistoryDownloadId(uint32 id);
+uint32_t ToContentDownloadId(DownloadId id);
+DownloadId ToHistoryDownloadId(uint32_t id);
 }  // namespace history
 
 #endif  // COMPONENTS_HISTORY_CONTENT_BROWSER_DOWNLOAD_CONSTANTS_UTILS_H_