Alternate NTP: Limit width of tab titles in recent tabs menu

chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.h

 // Copyright 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_TOOLBAR_RECENT_TABS_SUB_MENU_MODEL_H_
 #define CHROME_BROWSER_UI_TOOLBAR_RECENT_TABS_SUB_MENU_MODEL_H_
 
 #include <set>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 34 matching lines @@
   virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
   virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
   virtual bool GetAcceleratorForCommandId(
       int command_id,
       ui::Accelerator* accelerator) OVERRIDE;
   virtual bool IsItemForCommandIdDynamic(int command_id) const OVERRIDE;
   virtual string16 GetLabelForCommandId(int command_id) const OVERRIDE;
   virtual void ExecuteCommand(int command_id) OVERRIDE;
   virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
 
+  int GetMaxWidthForItemAtIndex(int item_index) const;
+
  private:
   struct NavigationItem;
   typedef std::vector<NavigationItem> NavigationItems;
 
   // Build the menu items by populating the model.
   void Build();
   void BuildLastClosed();
   void BuildDevices();
   void BuildForeignTabItem(
       const std::string& session_tag,
@@ skipping 24 matching lines @@
   gfx::Image default_favicon_;
 
   CancelableRequestConsumerTSimple<int> favicon_consumer_;
 
   base::WeakPtrFactory<RecentTabsSubMenuModel> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RecentTabsSubMenuModel);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_RECENT_TABS_SUB_MENU_MODEL_H_