Protector histograms for default search provider change added.

chrome/browser/protector/base_setting_change.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_BASE_SETTING_CHANGE_H_
 #define CHROME_BROWSER_PROTECTOR_BASE_SETTING_CHANGE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 20 matching lines @@
   // Associates this change with |protector_| instance so overrides must
   // call the base method.
   virtual bool Init(Protector* protector);
 
   // Persists new setting if needed.
   virtual void Apply();
 
   // Restores old setting if needed.
   virtual void Discard();
 
+  // Indicates that user has ignored this change and timeout has passed.
+  virtual void Timeout();
+
   // Called before the change is removed from the protector instance.
   virtual void OnBeforeRemoved() = 0;
 
   // Returns the wrench menu item and bubble title.
   virtual string16 GetBubbleTitle() const = 0;
 
   // Returns the bubble message text.
   virtual string16 GetBubbleMessage() const = 0;
 
   // Returns text for the button to apply the change with |Apply|.
@@ skipping 18 matching lines @@
 // Allocates and initializes SettingChange implementation for default search
 // provider setting. Both |actual| and |backup| may be NULL if corresponding
 // values are unknown or invalid.
 BaseSettingChange* CreateDefaultSearchProviderChange(
     const TemplateURL* actual,
     const TemplateURL* backup);
 
 }  // namespace protector
 
 #endif  // CHROME_BROWSER_PROTECTOR_BASE_SETTING_CHANGE_H_