Panel auto-resize for GTK.

chrome/browser/ui/panels/panel.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_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_H_
 #pragma once
 
 #include "chrome/browser/ui/browser_window.h"
 
@@ skipping 158 matching lines @@
   // 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);
 
+  // Used on platforms where the panel cannot determine its non-client area
+  // until the window has been created. (e.g. GTK)
+  void OnNonClientExtentAvailable();
+
   NativePanel* native_panel() { return native_panel_; }
   Browser* browser() const;
   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_; }
 
  protected:
   virtual void DestroyBrowser() OVERRIDE;
 
  private:
@@ skipping 31 matching lines @@
   NativePanel* native_panel_;  // Weak, owns us.
 
   ExpansionState expansion_state_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(Panel);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_H_