Switch to standard integer types in ash/.

ash/display/resolution_notification_controller.h

Index: ash/display/resolution_notification_controller.h
diff --git a/ash/display/resolution_notification_controller.h b/ash/display/resolution_notification_controller.h
index 8a74ae8ca9429eae45003aeb50d289f96ceb7658..0a4efef53afe530f5b5d2baf99a0c898006d2fb7 100644
--- a/ash/display/resolution_notification_controller.h
+++ b/ash/display/resolution_notification_controller.h
@@ -5,10 +5,13 @@
 #ifndef ASH_DISPLAY_RESOLUTION_NOTIFICATION_CONTROLLER_H_
 #define ASH_DISPLAY_RESOLUTION_NOTIFICATION_CONTROLLER_H_
 
+#include <stdint.h>
+
 #include "ash/ash_export.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
+#include "base/macros.h"
 #include "base/timer/timer.h"
 #include "ui/gfx/display_observer.h"
 #include "ui/gfx/geometry/size.h"
@@ -47,7 +50,7 @@ class ASH_EXPORT ResolutionNotificationController
   // asynchronously after the resolution change is requested. So typically this
   // method will be combined with resolution change methods like
   // DisplayManager::SetDisplayMode().
-  void PrepareNotification(int64 display_id,
+  void PrepareNotification(int64_t display_id,
                            const DisplayMode& old_resolution,
                            const DisplayMode& new_resolution,
                            const base::Closure& accept_callback);