ui: Rename ui_export.h to ui_base_export.h

ui/base/cocoa/controls/hover_image_menu_button.h

 // Copyright 2013 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_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_
 #define UI_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_
 
 #import <Cocoa/Cocoa.h>
 
 #import "ui/base/cocoa/tracking_area.h"
-#include "ui/base/ui_export.h"
+#include "ui/base/ui_base_export.h"
 
 @class HoverImageMenuButtonCell;
 
 // An NSPopUpButton that additionally tracks mouseover state and calls
 // [[self cell] setHovered:flag] when the hover state changes. Uses
 // HoverImageMenuButtonCell as the default cellClass. Note that the menu item at
 // index 0 is ignored and client code should populate it with a dummy item.
-UI_EXPORT
+UI_BASE_EXPORT
 @interface HoverImageMenuButton : NSPopUpButton {
  @private
   ui::ScopedCrTrackingArea trackingArea_;
 }
 
 - (HoverImageMenuButtonCell*)hoverImageMenuButtonCell;
 
 @end
 
 #endif  // UI_BASE_COCOA_CONTROLS_HOVER_IMAGE_MENU_BUTTON_H_