Panel strip refactor cleanup.

chrome/browser/ui/panels/panel_overflow_strip.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_PANELS_PANEL_OVERFLOW_STRIP_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_OVERFLOW_STRIP_H_
 #pragma once
 
 #include <vector>
 #include "chrome/browser/ui/panels/panel.h"
@@ skipping 12 matching lines @@
  public:
   typedef std::vector<Panel*> Panels;
 
   explicit PanelOverflowStrip(PanelManager* panel_manager);
   virtual ~PanelOverflowStrip();
 
   // Sets the display area of the overflow strip.
   // |display_area| is in screen coordinates.
   void SetDisplayArea(const gfx::Rect& display_area);
 
-  // Adds a panel to the strip. |is_new| indicates if the panel is a newly
-  // created panel or one that is transitioning from another grouping of panels.
-  void AddPanel(Panel* panel, bool is_new);
+  // Adds a panel to the strip.
+  void AddPanel(Panel* panel);
 
   // Returns |false| if the panel is not in the strip.
   bool Remove(Panel* panel);
   void RemoveAll();
 
   // Called when a panel's expansion state changes.
   void OnPanelExpansionStateChanged(
       Panel* panel, Panel::ExpansionState old_state);
 
   // Refreshes the layouts for all panels to reflect any possible changes.
@@ skipping 46 matching lines @@
   int overflow_hover_animator_start_width_;
   int overflow_hover_animator_end_width_;
 
   // Invalid panel index.
   static const size_t kInvalidPanelIndex = static_cast<size_t>(-1);
 
   DISALLOW_COPY_AND_ASSIGN(PanelOverflowStrip);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_OVERFLOW_STRIP_H_