Switch to standard integer types in ui/views/.

ui/views/accessibility/ax_widget_obj_wrapper.h

Index: ui/views/accessibility/ax_widget_obj_wrapper.h
diff --git a/ui/views/accessibility/ax_widget_obj_wrapper.h b/ui/views/accessibility/ax_widget_obj_wrapper.h
index d6c3e48fbcc1c7605127ff55005c509a26123921..4913581b699b2347339c51af0aac5b34c8000ca4 100644
--- a/ui/views/accessibility/ax_widget_obj_wrapper.h
+++ b/ui/views/accessibility/ax_widget_obj_wrapper.h
@@ -5,6 +5,9 @@
 #ifndef UI_VIEWS_ACCESSIBILITY_AX_WIDGET_OBJ_WRAPPER_H_
 #define UI_VIEWS_ACCESSIBILITY_AX_WIDGET_OBJ_WRAPPER_H_
 
+#include <stdint.h>
+
+#include "base/macros.h"
 #include "ui/views/accessibility/ax_aura_obj_wrapper.h"
 #include "ui/views/widget/widget_observer.h"
 #include "ui/views/widget/widget_removals_observer.h"
@@ -24,7 +27,7 @@ class AXWidgetObjWrapper : public AXAuraObjWrapper,
   AXAuraObjWrapper* GetParent() override;
   void GetChildren(std::vector<AXAuraObjWrapper*>* out_children) override;
   void Serialize(ui::AXNodeData* out_node_data) override;
-  int32 GetID() override;
+  int32_t GetID() override;
 
   // WidgetObserver overrides.
   void OnWidgetDestroying(Widget* widget) override;