Move CrTrackingArea from chrome/browser/ui/cocoa to ui/base/cocoa.

chrome/browser/ui/cocoa/location_bar/action_box_menu_bubble_controller.h

 // Copyright (c) 2012 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 CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ACTION_BOX_MENU_BUBBLE_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ACTION_BOX_MENU_BUBBLE_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #import "chrome/browser/ui/cocoa/base_bubble_controller.h"
-#import "chrome/browser/ui/cocoa/tracking_area.h"
+#import "ui/base/cocoa/tracking_area.h"
 
 class ActionBoxMenuModel;
 @class HoverImageButton;
 class ExtensionIconLoaderBridge;
 class Profile;
 
 // This window controller manages the action box popup menu.
 @interface ActionBoxMenuBubbleController : BaseBubbleController {
  @private
   Profile* profile_;
@@ skipping 67 matching lines @@
 // Simple button cell to get tracking and mouse events forwarded back to the
 // view controller for changing highlight style of the item subviews. This is
 // an invisible button that underlays most of the menu item and is responsible
 // for performing the attached action.
 @interface ActionBoxMenuItemView : NSView {
  @private
   // The controller that manages this.
   IBOutlet __weak ActionBoxMenuItemController* viewController_;
 
   // Used to highlight the background on hover.
-  ScopedCrTrackingArea trackingArea_;
+  ui::ScopedCrTrackingArea trackingArea_;
 }
 
 @property(assign, nonatomic) ActionBoxMenuItemController* viewController;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ACTION_BOX_MENU_BUBBLE_CONTROLLER_H_