Improve panel related tests to make them more reliable

chrome/browser/ui/panels/docked_panel_collection.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_DOCKED_PANEL_COLLECTION_H_
 #define CHROME_BROWSER_UI_PANELS_DOCKED_PANEL_COLLECTION_H_
 
 #include <list>
 #include <set>
 #include "base/basictypes.h"
@@ skipping 121 matching lines @@
   virtual void OnMouseMove(const gfx::Point& mouse_position) OVERRIDE;
 
   // Overridden from DisplaySettingsProvider::DesktopBarObserver:
   virtual void OnAutoHidingDesktopBarVisibilityChanged(
       DisplaySettingsProvider::DesktopBarAlignment alignment,
       DisplaySettingsProvider::DesktopBarVisibility visibility) OVERRIDE;
   virtual void OnAutoHidingDesktopBarThicknessChanged(
       DisplaySettingsProvider::DesktopBarAlignment alignment,
       int thickness) OVERRIDE;
 
-  // Schedules a layout refresh with a short delay to avoid too much flicker.
-  void ScheduleLayoutRefresh();
-
   // Keep track of the minimized panels to control mouse watching.
   void UpdateMinimizedPanelCount();
 
   // Minimizes or restores all panels in the collection.
   void MinimizeAll();
   void RestoreAll();
 
   // Makes sure the panel's bounds reflect its expansion state and the
   // panel is aligned at the bottom of the screen. Does not touch the x
   // coordinate.
@@ skipping 32 matching lines @@
 
   // Used to save the placement information for a panel.
   PanelPlacement saved_panel_placement_;
 
   static const int kPanelsHorizontalSpacing = 4;
 
   DISALLOW_COPY_AND_ASSIGN(DockedPanelCollection);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_DOCKED_PANEL_COLLECTION_H_