Refactor preference syncing.

chrome/browser/search_engines/template_url_model.cc

 // 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.
 
 #include "chrome/browser/search_engines/template_url_model.h"
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/stl_util-inl.h"
 #include "base/string_number_conversions.h"
@@ skipping 570 matching lines @@
       // Update the model if needed.
       UpdateDefaultSearch();
     }
   } else {
     NOTREACHED();
   }
 }
 
 // static
 void TemplateURLModel::RegisterUserPrefs(PrefService* prefs) {
-  prefs->RegisterBooleanPref(
-      prefs::kDefaultSearchProviderEnabled, true);
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderName, std::string());
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderID, std::string());
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderPrepopulateID, std::string());
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderSuggestURL, std::string());
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderSearchURL, std::string());
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderInstantURL, std::string());
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderKeyword, std::string());
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderIconURL, std::string());
-  prefs->RegisterStringPref(
-      prefs::kDefaultSearchProviderEncodings, std::string());
+  prefs->RegisterBooleanPref(prefs::kDefaultSearchProviderEnabled,
+                             true,
+                             false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderName,
+                            std::string(),
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderID,
+                            std::string(),
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderPrepopulateID,
+                            std::string(),
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderSuggestURL,
+                            std::string(),
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderSearchURL,
+                            std::string(),
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderInstantURL,
+                            std::string(),
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderKeyword,
+                            std::string(),
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderIconURL,
+                            std::string(),
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kDefaultSearchProviderEncodings,
+                            std::string(),
+                            false /* don't sync pref */);
 }
 
 void TemplateURLModel::SetKeywordSearchTermsForURL(const TemplateURL* t_url,
                                                    const GURL& url,
                                                    const string16& term) {
   HistoryService* history = profile_  ?
       profile_->GetHistoryService(Profile::EXPLICIT_ACCESS) : NULL;
   if (!history)
     return;
   history->SetKeywordSearchTermsForURL(url, t_url->id(), term);
@@ skipping 641 matching lines @@
   delete template_url;
 }
 
 void TemplateURLModel::NotifyObservers() {
   if (!loaded_)
     return;
 
   FOR_EACH_OBSERVER(TemplateURLModelObserver, model_observers_,
                     OnTemplateURLModelChanged());
 }