[Extensions Toolbar Mac] More cleanup of BrowserActionsController

chrome/browser/ui/toolbar/toolbar_actions_bar.h

 // Copyright 2014 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_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_
 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/scoped_observer.h"
@@ skipping 161 matching lines @@
   // The toolbar actions.
   ToolbarActions toolbar_actions_;
 
   ScopedObserver<extensions::ExtensionToolbarModel,
                  extensions::ExtensionToolbarModel::Observer> model_observer_;
 
   // True if we should suppress layout, such as when we are creating or
   // adjusting a lot of actions at once.
   bool suppress_layout_;
 
-  // True if we should suppress animation; we typically do this e.g. when
-  // switching tabs changes the state of the icons.
+  // True if we should suppress animation; we do this when first creating the
+  // toolbar, and also when switching tabs changes the state of the icons.
   bool suppress_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarActionsBar);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_