Mac: Remove ToolbarButtonCell (and associated files).

chrome/browser/cocoa/extensions/browser_action_button.h

 // Copyright (c) 2010 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_COCOA_EXTENSIONS_BROWSER_ACTION_BUTTON_H_
 #define CHROME_BROWSER_COCOA_EXTENSIONS_BROWSER_ACTION_BUTTON_H_
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/scoped_nsobject.h"
 #include "base/scoped_ptr.h"
-#include "chrome/browser/cocoa/toolbar_button_cell.h"
+#import "chrome/browser/cocoa/gradient_button_cell.h"
 
 class Extension;
 class ExtensionAction;
 class ExtensionImageTrackerBridge;
 class Profile;
 
 // Fired when the Browser Action's state has changed. Usually the image needs to
 // be updated.
 extern const NSString* kBrowserActionButtonUpdatedNotification;
 
@@ skipping 66 matching lines @@
   // The action we're drawing the cell for. Weak.
   ExtensionAction* extensionAction_;
 }
 
 @property(readwrite, nonatomic) int tabId;
 @property(readwrite, nonatomic) ExtensionAction* extensionAction;
 
 @end
 
 #endif  // CHROME_BROWSER_COCOA_EXTENSIONS_BROWSER_ACTION_BUTTON_H_