Switch to standard integer types in chromeos/.

chromeos/audio/audio_devices_pref_handler_impl.cc

Index: chromeos/audio/audio_devices_pref_handler_impl.cc
diff --git a/chromeos/audio/audio_devices_pref_handler_impl.cc b/chromeos/audio/audio_devices_pref_handler_impl.cc
index 17b5681ebce457ca4feffe8a9f1479fa95ee4832..45aa433eb9ed1628cf19eb5f41a06158cf1e7fee 100644
--- a/chromeos/audio/audio_devices_pref_handler_impl.cc
+++ b/chromeos/audio/audio_devices_pref_handler_impl.cc
@@ -4,6 +4,8 @@
 
 #include "chromeos/audio/audio_devices_pref_handler_impl.h"
 
+#include <stdint.h>
+
 #include <algorithm>
 
 #include "base/bind.h"
@@ -32,7 +34,7 @@ const int kPrefMuteOn = 1;
 std::string GetDeviceIdString(const chromeos::AudioDevice& device) {
   std::string device_id_string =
       device.device_name + " : " +
-      base::Uint64ToString(device.id & static_cast<uint64>(0xffffffff)) +
+      base::Uint64ToString(device.id & static_cast<uint64_t>(0xffffffff)) +
       " : " + (device.is_input ? "1" : "0");
   // Replace any periods from the device id string with a space, since setting
   // names cannot contain periods.