Remove wrench button from panel.

chrome/browser/ui/panels/panel.h

Index: chrome/browser/ui/panels/panel.h
diff --git a/chrome/browser/ui/panels/panel.h b/chrome/browser/ui/panels/panel.h
index 7857734bade58ea001d629647f6bfcddd462415a..52b341b68adcfe4773c51784a08cd5fda9a03ad8 100644
--- a/chrome/browser/ui/panels/panel.h
+++ b/chrome/browser/ui/panels/panel.h
@@ -62,10 +62,6 @@ class Panel : public BrowserWindow,
   // 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;
@@ -222,10 +218,6 @@ class Panel : public BrowserWindow,
                                         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|.