Make thumbnails closable in tabpose

chrome/browser/ui/cocoa/tabpose_window.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_UI_COCOA_TABPOSE_WINDOW_H_
 #define CHROME_BROWSER_UI_COCOA_TABPOSE_WINDOW_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
@@ skipping 55 matching lines @@
 
   // Manages the state of all layers.
   scoped_ptr<tabpose::TileSet> tileSet_;
 
   // The rectangle of the window that contains all layers. This is the
   // rectangle occupied by |bgLayer_|.
   NSRect containingRect_;
 
   // Informs us of added/removed/updated tabs.
   scoped_ptr<TabStripModelObserverBridge> tabStripModelObserverBridge_;
+
+  // The icon used for the closebutton layers.
+  base::mac::ScopedCFTypeRef<CGImageRef> closeIcon_;
+
+  // True if all close layers should be shown (as opposed to just the close
+  // layer of the currently selected thumbnail).
+  BOOL showAllCloseLayers_;
 }
 
 // Shows a TabposeWindow on top of |parent|, with |rect| being the active area.
 // If |slomo| is YES, then the appearance animation is shown in slow motion.
 // The window blocks all keyboard and mouse events and releases itself when
 // closed.
 + (id)openTabposeFor:(NSWindow*)parent
                 rect:(NSRect)rect
                slomo:(BOOL)slomo
        tabStripModel:(TabStripModel*)tabStripModel;
 @end
 
 @interface TabposeWindow (TestingAPI)
 - (void)selectTileAtIndexWithoutAnimation:(int)newIndex;
 - (NSUInteger)thumbnailLayerCount;
 - (int)selectedIndex;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TABPOSE_WINDOW_H_