Fix the problem that notifications and panels overlap.

chrome/browser/ui/panels/base_panel_browser_test.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_BASE_PANEL_BROWSER_TEST_H_
 #define CHROME_BROWSER_UI_PANELS_BASE_PANEL_BROWSER_TEST_H_
 #pragma once
 
 #include "base/task.h"
 #include "base/values.h"
@@ skipping 40 matching lines @@
           bounds(bounds),
           show_flag(show_flag) {
     }
   };
 
   Panel* CreatePanelWithParams(const CreatePanelParams& params);
   Panel* CreatePanelWithBounds(const std::string& panel_name,
                                const gfx::Rect& bounds);
   Panel* CreatePanel(const std::string& panel_name);
 
+  void WaitForPanelAdded(Panel* panel);
+  void WaitForPanelRemoved(Panel* panel);
   void WaitForPanelActiveState(Panel* panel, ActiveState state);
   void WaitForWindowSizeAvailable(Panel* panel);
   void WaitForBoundsAnimationFinished(Panel* panel);
 
   void CreateTestTabContents(Browser* browser);
 
   scoped_refptr<Extension> CreateExtension(const FilePath::StringType& path,
                                            Extension::Location location,
                                            const DictionaryValue& extra_value);
 
   gfx::Rect testing_work_area() const { return testing_work_area_; }
+  void set_testing_work_area(const gfx::Rect& work_area) {
+    testing_work_area_ = work_area;
+  }
 
   MockAutoHidingDesktopBar* mock_auto_hiding_desktop_bar() const {
     return mock_auto_hiding_desktop_bar_.get();
   }
 
  private:
   gfx::Rect testing_work_area_;
   scoped_refptr<MockAutoHidingDesktopBar> mock_auto_hiding_desktop_bar_;
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_BASE_PANEL_BROWSER_TEST_H_