Adds a modal dialog implementation of the settings reset prompt.

chrome/browser/safe_browsing/settings_reset_prompt/settings_reset_prompt_config.cc

 // 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.
 
 #include "chrome/browser/safe_browsing/settings_reset_prompt/settings_reset_prompt_config.h"
 
 #include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial_params.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "components/url_formatter/url_fixer.h"
 #include "crypto/sha2.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 #include "url/gurl.h"
 
 namespace safe_browsing {
 
 namespace {
 
 constexpr char kSettingsResetPromptFeatureName[] = "SettingsResetPrompt";
 
+bool IsPromptEnabled() {
+  return base::FeatureList::IsEnabled(kSettingsResetPrompt);
+}
+
 }  // namespace.
 
 const base::Feature kSettingsResetPrompt{kSettingsResetPromptFeatureName,
                                          base::FEATURE_DISABLED_BY_DEFAULT};
 
 // static
-bool SettingsResetPromptConfig::IsPromptEnabled() {
-  // TODO(alito): Add prefs to local state to track when the user was
-  // last prompted and ensure that we only prompt once per reset prompt
-  // wave.
-  return base::FeatureList::IsEnabled(kSettingsResetPrompt);
-}
-
-// static
 std::unique_ptr<SettingsResetPromptConfig> SettingsResetPromptConfig::Create() {
   if (!IsPromptEnabled())
     return nullptr;
 
   auto prompt_config = base::WrapUnique(new SettingsResetPromptConfig());
   if (!prompt_config->Init())
     return nullptr;
 
   return prompt_config;
 }
@@ skipping 173 matching lines @@
 
     if (!domain_hashes_.insert(std::make_pair(std::move(hash), domain_id))
              .second)
       return CONFIG_ERROR_DUPLICATE_DOMAIN_HASH;
   }
 
   return CONFIG_ERROR_OK;
 }
 
 }  // namespace safe_browsing.