Remove left-over panel code.

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_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 87 matching lines @@
 
   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);
 
-  // Ensures that the panel is fully visible, that is, not obscured by other
-  // top-most windows.
-  void EnsureFullyVisible();
-
   int TitleOnlyHeight() const;
 
   // Returns true if the panel can show minimize or restore button in its
   // titlebar, depending on its state.
   bool CanShowMinimizeButton() const;
   bool CanShowRestoreButton() const;
 
   // BaseWindow overrides.
   virtual bool IsActive() const OVERRIDE;
   virtual bool IsMaximized() const OVERRIDE;
@@ skipping 273 matching lines @@
 
   // Icon showed in the task bar.
   gfx::Image app_icon_;
 
   base::WeakPtrFactory<Panel> image_loader_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Panel);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_H_