[forbots] IWYU for ax_enums.h

ui/accessibility/platform/ax_platform_node_mac.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_ACCESSIBILITY_AX_PLATFORM_NODE_MAC_H_
 #define UI_ACCESSIBILITY_AX_PLATFORM_NODE_MAC_H_
 
 #import <Foundation/Foundation.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "ui/accessibility/ax_export.h"
 #include "ui/accessibility/platform/ax_platform_node_base.h"
 
 @class AXPlatformNodeCocoa;
 
 namespace ui {
 
+enum AXRole : int;
+
 class AXPlatformNodeMac : public AXPlatformNodeBase {
  public:
   AXPlatformNodeMac();
 
   // AXPlatformNode.
   gfx::NativeViewAccessible GetNativeViewAccessible() override;
   void NotifyAccessibilityEvent(ui::AXEvent event_type) override;
 
   // AXPlatformNodeBase.
   void Destroy() override;
@@ skipping 19 matching lines @@
 + (NSString*)nativeSubroleFromAXRole:(ui::AXRole)role;
 
 - (instancetype)initWithNode:(ui::AXPlatformNodeBase*)node;
 - (void)detach;
 
 @property(nonatomic, readonly) NSRect boundsInScreen;
 
 @end
 
 #endif  // UI_ACCESSIBILITY_AX_PLATFORM_NODE_MAC_H_