Protector bubble cancels itself if user changes default search engine manually.

chrome/browser/protector/settings_change_global_error.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_PROTECTOR_SETTINGS_CHANGE_GLOBAL_ERROR_H_
 #define CHROME_BROWSER_PROTECTOR_SETTINGS_CHANGE_GLOBAL_ERROR_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/protector/base_setting_change.h"
 #include "chrome/browser/ui/global_error.h"
 
 class Browser;
 class Profile;
 
 namespace protector {
 
+class BaseSettingChange;
 class SettingsChangeGlobalErrorDelegate;
 
 // Global error about unwanted settings changes.
 class SettingsChangeGlobalError : public GlobalError {
  public:
-  // Creates new global error about setting changes |change| and takes
-  // ownership over it. Uses |delegate| to notify about user decision.
+  // Creates new global error about setting changes |change| which must not be
+  // deleted until |delegate->OnRemovedFromProfile| is called. Uses |delegate|
+  // to notify about user decision.
   SettingsChangeGlobalError(BaseSettingChange* change,
                             SettingsChangeGlobalErrorDelegate* delegate);
   virtual ~SettingsChangeGlobalError();
 
   // Displays a global error bubble for the given browser profile.
   // Can be called from any thread.
   void ShowForProfile(Profile* profile);
 
+  // Removes global error from its profile.
+  void RemoveFromProfile();
+
   // Browser that the bubble has been last time shown for.
   Browser* browser() const { return browser_; }
 
-  BaseSettingChange* mutable_change() { return change_.get(); }
-
   // GlobalError implementation.
   virtual bool HasBadge() OVERRIDE;
   virtual bool HasMenuItem() OVERRIDE;
   virtual int MenuItemCommandID() OVERRIDE;
   virtual string16 MenuItemLabel() OVERRIDE;
   virtual void ExecuteMenuItem(Browser* browser) OVERRIDE;
   virtual bool HasBubbleView() OVERRIDE;
   virtual string16 GetBubbleViewTitle() OVERRIDE;
   virtual string16 GetBubbleViewMessage() OVERRIDE;
   virtual string16 GetBubbleViewAcceptButtonLabel() OVERRIDE;
   virtual string16 GetBubbleViewCancelButtonLabel() OVERRIDE;
   virtual void BubbleViewDidClose() OVERRIDE;
   virtual void BubbleViewAcceptButtonPressed() OVERRIDE;
   virtual void BubbleViewCancelButtonPressed() OVERRIDE;
 
  private:
   // Helper called on the UI thread to add this global error to the default
   // profile (stored in |profile_|).
   void AddToProfile(Profile* profile);
 
   // Displays global error bubble. Must be called on the UI thread.
   void Show();
 
-  // Removes global error from its profile and deletes |this| later.
-  void RemoveFromProfile();
+  // Called when the wrench menu item has been displayed for enough time
+  // without user interaction.
+  void OnInactiveTimeout();
 
   // Change to show.
-  scoped_ptr<BaseSettingChange> change_;
+  BaseSettingChange* change_;
 
   // Delegate to notify about user actions.
   SettingsChangeGlobalErrorDelegate* delegate_;
 
   // Profile that we have been added to.
   Profile* profile_;
 
   // Browser that we have been shown for.
   Browser* browser_;
 
   // True if user has dismissed the bubble by clicking on one of the buttons.
   bool closed_by_button_;
 
   base::WeakPtrFactory<SettingsChangeGlobalError> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SettingsChangeGlobalError);
 };
 
 }  // namespace protector
 
 #endif  // CHROME_BROWSER_PROTECTOR_SETTINGS_CHANGE_GLOBAL_ERROR_H_