Removes TabStrip::CanUpdateDisplay as it lead to crashes on the...

chrome/browser/gtk/tabs/tab_strip_gtk.h

 // Copyright (c) 2009 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_GTK_TABS_TAB_STRIP_GTK_H_
 #define CHROME_BROWSER_GTK_TABS_TAB_STRIP_GTK_H_
 
 #include <gtk/gtk.h>
 #include <vector>
 
@@ skipping 362 matching lines @@
 
   // Starts various types of TabStrip animations.
   void StartInsertTabAnimation(int index);
   void StartRemoveTabAnimation(int index, TabContents* contents);
   void StartMoveTabAnimation(int from_index, int to_index);
   void StartResizeLayoutAnimation();
   void StartPinnedTabAnimation(int index);
   void StartPinAndMoveTabAnimation(int from_index, int to_index,
                                    const gfx::Rect& start_bounds);
 
-  // Returns true if detach or select changes in the model should be reflected
-  // in the TabStrip. This returns false if we're closing all tabs in the
-  // TabStrip and so we should prevent updating. This is not const because we
-  // use this as a signal to cancel any active animations.
-  bool CanUpdateDisplay();
-
   // Notifies the TabStrip that the specified TabAnimation has completed.
   // Optionally a full Layout will be performed, specified by |layout|.
   void FinishAnimation(TabAnimation* animation, bool layout);
 
   NotificationRegistrar registrar_;
 
   // The Tabs we contain, and their last generated "good" bounds.
   std::vector<TabData> tab_data_;
 
   // The current widths of various types of tabs.  We save these so that, as
@@ skipping 49 matching lines @@
   // ResizeLayoutTabsNow method.
   ScopedRunnableMethodFactory<TabStripGtk> resize_layout_factory_;
 
   // True if the tabstrip has already been added as a MessageLoop observer.
   bool added_as_message_loop_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(TabStripGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_TABS_TAB_STRIP_GTK_H_