Remove wrench button from panel.

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 44 matching lines @@
   };
 
   // The panel can be minimized to 4-pixel lines.
   static const int kMinimizedPanelHeight = 4;
 
   virtual ~Panel();
 
   // Returns the PanelManager associated with this panel.
   PanelManager* manager() const;
 
-  // Gets the extension that a panel is created from.
-  // Returns NULL if it cannot be found.
-  const Extension* GetExtension() const;
-
   void SetExpansionState(ExpansionState new_expansion_state);
 
   bool IsDrawingAttention() const;
 
   // This function will only get called by PanelManager when full screen mode
   // changes i.e it gets called when an app goes into full screen mode or when
   // an app exits full screen mode. Panel should respond by making sure
   // a) it does not go on top when some app enters full screen mode.
   // b) it remains on top when an app exits full screen mode.
   void FullScreenModeChanged(bool is_full_screen);
@@ skipping 136 matching lines @@
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Construct a native panel BrowserWindow implementation for the specified
   // |browser|.
   static NativePanel* CreateNativePanel(Browser* browser,
                                         Panel* panel,
                                         const gfx::Rect& bounds);
 
-  // Gets the extension from the browser that a panel is created from.
-  // Returns NULL if it cannot be found.
-  static const Extension* GetExtensionFromBrowser(Browser* browser);
-
   // Invoked when the native panel has detected a mouse click on the
   // panel's titlebar. Behavior of the click may be modified as
   // indicated by |modifier|.
   void OnTitlebarClicked(panel::ClickModifier modifier);
 
   // Used on platforms where the panel cannot determine its window size
   // until the window has been created. (e.g. GTK)
   void OnWindowSizeAvailable();
 
   // Asynchronous completion of panel close request.
@@ skipping 138 matching lines @@
   AttentionMode attention_mode_;
 
   ExpansionState expansion_state_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(Panel);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_H_