Store default search provider data in dictionary pref.

chrome/browser/search_engines/default_search_manager.h

+// Copyright 2014 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_SEARCH_ENGINES_DEFAULT_SEARCH_MANAGER_H_
+#define CHROME_BROWSER_SEARCH_ENGINES_DEFAULT_SEARCH_MANAGER_H_
+
+#include "base/macros.h"
+
+namespace user_prefs {
+class PrefRegistrySyncable;
+}
+
+class PrefService;
+struct TemplateURLData;
+
+// DefaultSearchManager handles the loading and writing of the user's default
+// search engine selection to and from prefs.
+
+class DefaultSearchManager {
+ public:
+  static const char kID[];
+  static const char kShortName[];
+  static const char kKeyword[];
+  static const char kPrepopulateID[];
+  static const char kSyncGUID[];
+
+  static const char kURL[];
+  static const char kSuggestionsURL[];
+  static const char kInstantURL[];
+  static const char kImageURL[];
+  static const char kNewTabURL[];
+  static const char kFaviconURL[];
+  static const char kOriginatingURL[];
+
+  static const char kSearchURLPostParams[];
+  static const char kSuggestionsURLPostParams[];
+  static const char kInstantURLPostParams[];
+  static const char kImageURLPostParams[];
+
+  static const char kSafeForAutoReplace[];
+  static const char kInputEncodings[];
+
+  static const char kDateCreated[];
+  static const char kLastModified[];
+
+  static const char kUsageCount[];
+  static const char kAlternateURLs[];
+  static const char kSearchTermsReplacementKey[];
+  static const char kCreatedByPolicy[];
+
+  explicit DefaultSearchManager(PrefService* pref_service);
+  ~DefaultSearchManager();
+
+  // Register prefs needed for tracking the default search provider.
+  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
+
+  // Read default search provider data from |pref_service_|.
+  bool GetDefaultSearchEngine(TemplateURLData* url);
+
+  // Write default search provider data to |pref_service_|.
+  void SetUserSelectedDefaultSearchEngine(const TemplateURLData& data);
+
+  // Clear the user's default search provider choice from |pref_service_|.
+  void ClearUserSelectedDefaultSearchEngine();
+
+ private:
+  PrefService* pref_service_;
+
+  DISALLOW_COPY_AND_ASSIGN(DefaultSearchManager);
+};
+
+#endif  // CHROME_BROWSER_SEARCH_ENGINES_DEFAULT_SEARCH_MANAGER_H_