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

components/storage_monitor/test_volume_mount_watcher_win.cc

Index: components/storage_monitor/test_volume_mount_watcher_win.cc
diff --git a/components/storage_monitor/test_volume_mount_watcher_win.cc b/components/storage_monitor/test_volume_mount_watcher_win.cc
index 74645455e09532646bfdff7e1bcaa7b06ee419e1..bc5f03e19481d70f8f281fc450b6072dea164426 100644
--- a/components/storage_monitor/test_volume_mount_watcher_win.cc
+++ b/components/storage_monitor/test_volume_mount_watcher_win.cc
@@ -99,7 +99,7 @@ void TestVolumeMountWatcherWin::AddDeviceForTesting(
     const base::FilePath& device_path,
     const std::string& device_id,
     const base::string16& storage_label,
-    uint64 total_size_in_bytes) {
+    uint64_t total_size_in_bytes) {
   StorageInfo info(device_id, device_path.value(), storage_label,
                    base::string16(), base::string16(), total_size_in_bytes);
   HandleDeviceAttachEventOnUIThread(device_path, info);