When the chrome window is maximized, make sure the new tab button extends

chrome/browser/ui/views/tabs/tab_strip_controller.h

 // Copyright (c) 2011 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_VIEWS_TABS_TAB_STRIP_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_CONTROLLER_H_
 #pragma once
 
 class BaseTab;
 class BaseTabStrip;
@@ skipping 67 matching lines @@
   // Return true if this tab strip is compatible with the provided tab strip.
   // Compatible tab strips can transfer tabs during drag and drop.
   virtual bool IsCompatibleWith(BaseTabStrip* other) const = 0;
 
   // Creates the new tab.
   virtual void CreateNewTab() = 0;
 
   // Informs that an active tab is selected when already active (ie - clicked
   // when already active/foreground).
   virtual void ClickActiveTab(int index) = 0;
+
+  // Returns true of the new tab button should be sized such that it reaches
+  // all the way to the top of the tab strip.
+  virtual bool SizeTabButtonToTopOfTabStrip() = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_CONTROLLER_H_