Fix the problem that notifications and panels overlap.

chrome/browser/ui/panels/panel_manager.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_MANAGER_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_MANAGER_H_
 #pragma once
 
 #include <vector>
 #include "base/basictypes.h"
@@ skipping 57 matching lines @@
   int GetBottomPositionForExpansionState(
       Panel::ExpansionState expansion_state) const;
 
   // Returns the next browser window which could be either panel window or
   // tabbed window, to switch to if the given panel is going to be deactivated.
   // Returns NULL if such window cannot be found.
   BrowserWindow* GetNextBrowserWindowToActivate(Panel* panel) const;
 
   int num_panels() const { return panels_.size(); }
   bool is_dragging_panel() const;
+  const Panels& panels() const { return panels_; }
 
   int GetMaxPanelWidth() const;
   int GetMaxPanelHeight() const;
   int StartingRightPosition() const;
 
   // Overridden from PanelMouseWatcher::Observer:
   virtual void OnMouseMove(const gfx::Point& mouse_position) OVERRIDE;
 
 #ifdef UNIT_TEST
-  const Panels& panels() const { return panels_; }
   static int horizontal_spacing() { return kPanelsHorizontalSpacing; }
 
   const gfx::Rect& work_area() const {
     return work_area_;
   }
 
   void set_auto_hiding_desktop_bar(
       AutoHidingDesktopBar* auto_hiding_desktop_bar) {
     auto_hiding_desktop_bar_ = auto_hiding_desktop_bar;
   }
@@ skipping 130 matching lines @@
   static const int kPanelMinHeight = 100;
 
   DISALLOW_COPY_AND_ASSIGN(PanelManager);
 };
 
 // Required for CancellableTask to be used with non-refcounted objects.
 // Defines empty AddRef/Release.
 DISABLE_RUNNABLE_METHOD_REFCOUNT(PanelManager);
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_MANAGER_H_