Make sure sideload wipeout doesn't interfere with the tests.

chrome/browser/ui/views/toolbar_view.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_VIEWS_TOOLBAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_VIEW_H_
 
 #include <set>
 #include <string>
 
@@ skipping 29 matching lines @@
 }
 
 // The Browser Window's toolbar.
 class ToolbarView : public views::AccessiblePaneView,
                     public views::MenuButtonListener,
                     public ui::AcceleratorProvider,
                     public LocationBarView::Delegate,
                     public chrome::search::SearchModelObserver,
                     public content::NotificationObserver,
                     public CommandObserver,
-                    public views::ButtonListener {
+                    public views::ButtonListener,
+                    public views::WidgetObserver {
  public:
   // The view class name.
   static const char kViewClassName[];
 
   explicit ToolbarView(Browser* browser);
   virtual ~ToolbarView();
 
   // Create the contents of the Browser Toolbar. |location_bar_parent| is the
   // view the LocationBarContainer is added to. |popup_parent_view| is the
   // View to add the omnibox popup view to.
@@ skipping 68 matching lines @@
   virtual void ModeChanged(const chrome::search::Mode& old_mode,
                            const chrome::search::Mode& new_mode) OVERRIDE;
 
   // Overridden from CommandObserver:
   virtual void EnabledStateChangedForCommand(int id, bool enabled) OVERRIDE;
 
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
+  // Overridden from views::WidgetObserver:
+  virtual void OnWidgetVisibilityChanged(views::Widget* widget,
+                                         bool visible) OVERRIDE;
+
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Overridden from ui::AcceleratorProvider:
   virtual bool GetAcceleratorForCommandId(
       int command_id, ui::Accelerator* accelerator) OVERRIDE;
 
   // Overridden from views::View:
@@ skipping 101 matching lines @@
 
   // A list of listeners to call when the menu opens.
   ObserverList<views::MenuListener> menu_listeners_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ToolbarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_VIEW_H_