Switch to standard integer types in chrome/browser/, part 1 of 4.

chrome/browser/download/download_history.cc

Index: chrome/browser/download/download_history.cc
diff --git a/chrome/browser/download/download_history.cc b/chrome/browser/download/download_history.cc
index becc0e55a9b176f50e096857a088c1eac42359dc..c04df4b85b50e915f046cad1cb9ac8718b9f1c6f 100644
--- a/chrome/browser/download/download_history.cc
+++ b/chrome/browser/download/download_history.cc
@@ -28,6 +28,7 @@
 
 #include "chrome/browser/download/download_history.h"
 
+#include "base/macros.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/download/download_crx_util.h"
 #include "components/history/content/browser/download_constants_utils.h"
@@ -192,7 +193,7 @@ void DownloadHistory::HistoryAdapter::UpdateDownload(
 }
 
 void DownloadHistory::HistoryAdapter::RemoveDownloads(
-    const std::set<uint32>& ids) {
+    const std::set<uint32_t>& ids) {
   history_->RemoveDownloads(ids);
 }
 
@@ -295,7 +296,7 @@ void DownloadHistory::QueryCallback(scoped_ptr<InfoVector> infos) {
 void DownloadHistory::MaybeAddToHistory(content::DownloadItem* item) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
-  uint32 download_id = item->GetId();
+  uint32_t download_id = item->GetId();
   DownloadHistoryData* data = DownloadHistoryData::Get(item);
   bool removing = removing_ids_.find(download_id) != removing_ids_.end();
 
@@ -321,7 +322,7 @@ void DownloadHistory::MaybeAddToHistory(content::DownloadItem* item) {
       item, *data->info()));
 }
 
-void DownloadHistory::ItemAdded(uint32 download_id, bool success) {
+void DownloadHistory::ItemAdded(uint32_t download_id, bool success) {
   if (removed_while_adding_.find(download_id) !=
       removed_while_adding_.end()) {
     removed_while_adding_.erase(download_id);
@@ -444,7 +445,7 @@ void DownloadHistory::OnDownloadRemoved(
   --history_size_;
 }
 
-void DownloadHistory::ScheduleRemoveDownload(uint32 download_id) {
+void DownloadHistory::ScheduleRemoveDownload(uint32_t download_id) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   // For database efficiency, batch removals together if they happen all at