[Extensions Toolbar] Make the ExtensionToolbarModel icon count more stable

chrome/browser/ui/views/toolbar/browser_actions_container.h

 // Copyright 2013 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_TOOLBAR_BROWSER_ACTIONS_CONTAINER_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_BROWSER_ACTIONS_CONTAINER_H_
 
 #include "base/observer_list.h"
 #include "chrome/browser/extensions/extension_keybinding_registry.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_bar.h"
@@ skipping 271 matching lines @@
   // Whether this container is in overflow mode (as opposed to in 'main'
   // mode). See class comments for details on the difference.
   bool in_overflow_mode() const { return main_container_ != NULL; }
 
   // The controlling ToolbarActionsBar, which handles most non-view logic.
   scoped_ptr<ToolbarActionsBar> toolbar_actions_bar_;
 
   // The vector of toolbar actions (icons/image buttons for each action).
   ToolbarActionViews toolbar_action_views_;
 
-  // Whether or not the container has been initialized.
-  bool initialized_;
-
   // The Browser object the container is associated with.
   Browser* browser_;
 
   // The main container we are serving as overflow for, or NULL if this
   // class is the the main container. See class comments for details on
   // the difference between main and overflow.
   BrowserActionsContainer* main_container_;
 
   // The view that triggered the current popup (just a reference to a view
   // from toolbar_action_views_).
@@ skipping 33 matching lines @@
 
   // The class that registers for keyboard shortcuts for extension commands.
   scoped_ptr<ExtensionKeybindingRegistryViews> extension_keybinding_registry_;
 
   ObserverList<BrowserActionsContainerObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionsContainer);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_BROWSER_ACTIONS_CONTAINER_H_