Add methods needed for overflow panels to NativePanel interface.

chrome/browser/ui/panels/panel_browser_window_gtk.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_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_WINDOW_GTK_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
@@ skipping 80 matching lines @@
       bool* is_keyboard_shortcut) OVERRIDE;
   virtual void HandlePanelKeyboardEvent(
       const NativeWebKeyboardEvent& event) OVERRIDE;
   virtual Browser* GetPanelBrowser() const OVERRIDE;
   virtual void DestroyPanelBrowser() OVERRIDE;
   virtual gfx::Size WindowSizeFromContentSize(
       const gfx::Size& content_size) const OVERRIDE;
   virtual gfx::Size ContentSizeFromWindowSize(
       const gfx::Size& window_size) const OVERRIDE;
   virtual int TitleOnlyHeight() const OVERRIDE;
+  virtual gfx::Size IconOnlySize() const OVERRIDE;
+  virtual void EnsurePanelFullyVisible() OVERRIDE;
 
  private:
   void StartBoundsAnimation(const gfx::Rect& current_bounds);
   bool IsAnimatingBounds() const;
 
   // MessageLoop::Observer implementation:
   virtual void WillProcessEvent(GdkEvent* event) OVERRIDE;
   virtual void DidProcessEvent(GdkEvent* event) OVERRIDE;
 
   // Overridden from AnimationDelegate:
@@ skipping 71 matching lines @@
   base::Time disableMinimizeUntilTime_;
 
   // Used to animate the bounds change.
   scoped_ptr<ui::SlideAnimation> bounds_animator_;
   gfx::Rect animation_start_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(PanelBrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_WINDOW_GTK_H_