Update Panel mininimize/restore button on strip and expansion state change.

chrome/browser/ui/panels/panel.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_PANELS_PANEL_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_H_
 #pragma once
 
 #include "chrome/browser/ui/browser_window.h"
 
@@ skipping 224 matching lines @@
   NativePanel* native_panel() { return native_panel_; }
   Browser* browser() const { return browser_; }
 
   // May be NULL if:
   // * panel is newly created and has not been positioned yet.
   // * panel is being closed asynchronously.
   // Please use it with caution.
   PanelStrip* panel_strip() const { return panel_strip_; }
 
   // Sets the current panel strip that contains this panel.
-  void SetPanelStrip(PanelStrip* new_strip);
+  void set_panel_strip(PanelStrip* new_strip) { panel_strip_ = new_strip; }
 
   ExpansionState expansion_state() const { return expansion_state_; }
   const gfx::Size& min_size() const { return min_size_; }
   const gfx::Size& max_size() const { return max_size_; }
   bool auto_resizable() const { return auto_resizable_; }
 
   bool in_preview_mode() const { return in_preview_mode_; }
 
   panel::Resizability CanResizeByMouse() const;
 
@@ skipping 20 matching lines @@
 
   // Updates the panel bounds instantly without any animation.
   void SetPanelBoundsInstantly(const gfx::Rect& bounds);
 
   // Sets whether the panel will auto resize according to its content.
   void SetAutoResizable(bool resizable);
 
   // Sets minimum and maximum size for the panel.
   void SetSizeRange(const gfx::Size& min_size, const gfx::Size& max_size);
 
-  // Sets whether the panel app icon is visible in the taskbar.
-  void SetAppIconVisibility(bool visible);
-
   // Whether the panel window is always on top.
   void SetAlwaysOnTop(bool on_top);
   bool always_on_top() const { return always_on_top_; }
 
   // Sets whether the panel is shown in preview mode. When the panel is
   // being dragged, it is in preview mode.
   void SetPreviewMode(bool in_preview_mode);
 
   // Sets up the panel for being resizable by the user - for example,
   // enables the resize mouse cursors when mouse is hovering over the edges.
   void EnableResizeByMouse(bool enable);
 
+  // Sets whether the minimize or restore button, if any, are visible.
+  void UpdateMinimizeRestoreButtonVisibility();
+
   // Changes the preferred size to acceptable based on min_size() and max_size()
   gfx::Size ClampSize(const gfx::Size& size) const;
 
   // Called when the panel's active state changes.
   // |active| is true if panel became active.
   void OnActiveStateChanged(bool active);
 
  protected:
   virtual void DestroyBrowser() OVERRIDE;
 
@@ skipping 52 matching lines @@
   AttentionMode attention_mode_;
 
   ExpansionState expansion_state_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(Panel);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_H_