Settings reset prompt: Fetch default settings only when needed.

chrome/browser/safe_browsing/settings_reset_prompt/settings_reset_prompt_controller.h

 // Copyright 2017 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_SAFE_BROWSING_SETTINGS_RESET_PROMPT_SETTINGS_RESET_PROMPT_CONTROLLER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_SETTINGS_RESET_PROMPT_SETTINGS_RESET_PROMPT_CONTROLLER_H_
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "ui/gfx/range/range.h"
 
+class BrandcodedDefaultSettings;
 class Browser;
 
 namespace safe_browsing {
 
 class SettingsResetPromptModel;
 
 // The |SettingsResetPromptController| class is responsible for providing the
 // text that will be displayed in the settings reset dialog. The controller's
 // |Accept()| and |Cancel()| functions will be called based on user
 // interaction. Objects of this class will delete themselves after |Accept()| or
 // |Cancel()| has been called.
 class SettingsResetPromptController {
  public:
   // A controller should be created only if |model->ShouldPromptforReset()|
   // is true.
-  explicit SettingsResetPromptController(
-      std::unique_ptr<SettingsResetPromptModel> model);
+  SettingsResetPromptController(
+      std::unique_ptr<SettingsResetPromptModel> model,
+      std::unique_ptr<BrandcodedDefaultSettings> default_settings);
 
   static void ShowSettingsResetPrompt(
       Browser* browser,
       SettingsResetPromptController* controller);
 
   base::string16 GetWindowTitle() const;
   base::string16 GetButtonLabel() const;
   base::string16 GetMainText() const;
   // Returns the offset into the main text string where a URL was inserted. To
   // be used by the dialog to apply an appropriate style to the URL text.
@@ skipping 15 matching lines @@
 
  private:
   ~SettingsResetPromptController();
   void InitMainText();
   // Function to be called sometime after |Accept()| or |Cancel()| has been
   // called to perform any final tasks (such as metrcis reporting) and delete
   // this object.
   void OnInteractionDone();
 
   std::unique_ptr<SettingsResetPromptModel> model_;
+  std::unique_ptr<BrandcodedDefaultSettings> default_settings_;
   base::string16 main_text_;
   gfx::Range main_text_url_range_;
 
   // Used for metrics reporting.
   base::Time time_dialog_shown_;
 
   DISALLOW_COPY_AND_ASSIGN(SettingsResetPromptController);
 };
 
 // Function to be called after startup in order to display the settings reset
 // prompt. The function will figure out if a prompt is needed, and if so, show
 // the dialog after a delay as determined by the |kSettingsResetPrompt|
 // feature parameters.
 void MaybeShowSettingsResetPromptWithDelay();
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SETTINGS_RESET_PROMPT_SETTINGS_RESET_PROMPT_CONTROLLER_H_