Multi-tab selection for Linux.

chrome/browser/ui/gtk/tabs/tab_renderer_gtk.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_GTK_TABS_TAB_RENDERER_GTK_H_
 #define CHROME_BROWSER_UI_GTK_TABS_TAB_RENDERER_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 #include <map>
@@ skipping 114 matching lines @@
   bool app() const { return data_.app; }
 
   // Are we in the process of animating a mini tab state change on this tab?
   void set_animating_mini_change(bool value) {
     data_.animating_mini_change = value;
   }
 
   // Updates the display to reflect the contents of this TabRenderer's model.
   void UpdateFromModel();
 
+  // Returns true if the Tab is active, false otherwise.
+  virtual bool IsActive() const;
+
   // Returns true if the Tab is selected, false otherwise.
   virtual bool IsSelected() const;
 
   // Returns true if the Tab is visible, false otherwise.
   virtual bool IsVisible() const;
 
   // Sets the visibility of the Tab.
   virtual void SetVisible(bool visible) const;
 
   // Paints the tab into |canvas|.
@@ skipping 302 matching lines @@
   // The current color of the close button.
   SkColor close_button_color_;
 
   // Used to listen for theme change notifications.
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(TabRendererGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_TABS_TAB_RENDERER_GTK_H_