Paint tab-loading throbbers into a ui::Layer.

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

 // Copyright (c) 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_VIEWS_TABS_TAB_STRIP_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 325 matching lines @@
   void DragActiveTab(const std::vector<int>& initial_positions, int delta);
 
   // Sets the ideal bounds x-coordinates to |positions|.
   void SetIdealBoundsFromPositions(const std::vector<int>& positions);
 
   // Stacks the dragged tabs. This is used if the drag operation is
   // MOVE_VISIBLE_TABS and the tabs don't fill the tabstrip. When this happens
   // the active tab follows the mouse and the other tabs stack around it.
   void StackDraggedTabs(int delta);
 
-  // Returns true if dragging has resulted in temporarily stacking the tabs.
-  bool IsStackingDraggedTabs() const;
-
   // Invoked during drag to layout the tabs being dragged in |tabs| at
   // |location|. If |initial_drag| is true, this is the initial layout after the
   // user moved the mouse far enough to trigger a drag.
   void LayoutDraggedTabsAt(const Tabs& tabs,
                            Tab* active_tab,
                            const gfx::Point& location,
                            bool initial_drag);
 
   // Calculates the bounds needed for each of the tabs, placing the result in
   // |bounds|.
@@ skipping 280 matching lines @@
   bool immersive_style_;
 
   // Our observers.
   typedef base::ObserverList<TabStripObserver> TabStripObservers;
   TabStripObservers observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TabStrip);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_H_