Settings reset prompt: add UMA metrics reporting.

chrome/browser/safe_browsing/settings_reset_prompt/settings_reset_prompt_model.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_MODEL_H_
 #define CHROME_BROWSER_SAFE_BROWSING_SETTINGS_RESET_PROMPT_SETTINGS_RESET_PROMPT_MODEL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 30 matching lines @@
 // 3. Homepage
 class SettingsResetPromptModel {
  public:
   enum ResetState {
     RESET_REQUIRED = 1,
     NO_RESET_REQUIRED_DUE_TO_DOMAIN_NOT_MATCHED = 2,
     NO_RESET_REQUIRED_DUE_TO_ALREADY_PROMPTED_FOR_SETTING = 3,
     NO_RESET_REQUIRED_DUE_TO_RECENTLY_PROMPTED = 4,
     NO_RESET_REQUIRED_DUE_TO_OTHER_SETTING_REQUIRING_RESET = 5,
     NO_RESET_REQUIRED_DUE_TO_POLICY = 6,
+    RESET_STATE_MAX = 7
   };
 
   using ExtensionMap =
       std::unordered_map<extensions::ExtensionId, ExtensionInfo>;
   using CreateCallback =
       base::Callback<void(std::unique_ptr<SettingsResetPromptModel>)>;
 
   // Creates a new |SettingsResetPromptModel| and passes it to |callback|. This
   // function should be called on the UI thread.
   static void Create(Profile* profile,
@@ skipping 35 matching lines @@
   virtual const std::vector<GURL>& startup_urls() const;
   // Returns the list of all startup URLs that have a match in the prompt
   // config. This is a subset of the URLs returned by |startup_urls()|.
   virtual const std::vector<GURL>& startup_urls_to_reset() const;
   virtual ResetState startup_urls_reset_state() const;
 
   // Returns a map of extension ID -> ExtensionInfo for all extensions that will
   // be disabled.
   virtual const ExtensionMap& extensions_to_disable() const;
 
+  void ReportUmaMetrics() const;
+
  protected:
   // Exposed for mocking in tests.
   SettingsResetPromptModel(
       Profile* profile,
       std::unique_ptr<SettingsResetPromptConfig> prompt_config,
       std::unique_ptr<ResettableSettingsSnapshot> settings_snapshot,
       std::unique_ptr<BrandcodedDefaultSettings> default_settings,
       std::unique_ptr<ProfileResetter> profile_resetter);
 
  private:
@@ skipping 58 matching lines @@
   ResetState startup_urls_reset_state_;
 
   ExtensionMap extensions_to_disable_;
 
   DISALLOW_COPY_AND_ASSIGN(SettingsResetPromptModel);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SETTINGS_RESET_PROMPT_SETTINGS_RESET_PROMPT_MODEL_H_