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+// Copyright (c) 2009 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_TOOLBAR_COMPRESSABLE_H_
+#define CHROME_BROWSER_COCOA_TOOLBAR_COMPRESSABLE_H_
+
+#include "chrome/browser/tabs/tab_strip_model.h"
+
+#import <Cocoa/Cocoa.h>
+
+// Defines a protocol that allows one view to tell another view that it should
+// remove pixels from the bottom of the view. Only ToolbarController implements
+// this, but it's a protocol for unit testing reasons.
+@protocol ToolbarCompressable
+- (void)setShouldBeCompressed:(BOOL)compressed;
+@end
+
+#endif // CHROME_BROWSER_COCOA_TOOLBAR_COMPRESSABLE_H_