Switch to standard integer types in ui/views/.

ui/views/accessibility/ax_window_obj_wrapper.cc

Index: ui/views/accessibility/ax_window_obj_wrapper.cc
diff --git a/ui/views/accessibility/ax_window_obj_wrapper.cc b/ui/views/accessibility/ax_window_obj_wrapper.cc
index de0dcf2ec4b0f3776088ea349ddaa13ce506b963..124ae78710d9f1a3f5674bb67f39fd0455dab605 100644
--- a/ui/views/accessibility/ax_window_obj_wrapper.cc
+++ b/ui/views/accessibility/ax_window_obj_wrapper.cc
@@ -4,6 +4,8 @@
 
 #include "ui/views/accessibility/ax_window_obj_wrapper.h"
 
+#include <stddef.h>
+
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/aura/window.h"
@@ -58,7 +60,7 @@ void AXWindowObjWrapper::Serialize(ui::AXNodeData* out_node_data) {
   }
 }
 
-int32 AXWindowObjWrapper::GetID() {
+int32_t AXWindowObjWrapper::GetID() {
   return AXAuraObjCache::GetInstance()->GetID(window_);
 }