Refactor preference syncing.

chrome/browser/google/google_url_tracker.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/google/google_url_tracker.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 112 matching lines @@
 // static
 void GoogleURLTracker::RequestServerCheck() {
   GoogleURLTracker* const tracker = g_browser_process->google_url_tracker();
   if (tracker)
     tracker->SetNeedToFetch();
 }
 
 // static
 void GoogleURLTracker::RegisterPrefs(PrefService* prefs) {
   prefs->RegisterStringPref(prefs::kLastKnownGoogleURL,
-                            kDefaultGoogleHomepage);
-  prefs->RegisterStringPref(prefs::kLastPromptedGoogleURL, std::string());
+                            kDefaultGoogleHomepage,
+                            false /* don't sync pref */);
+  prefs->RegisterStringPref(prefs::kLastPromptedGoogleURL,
+                            std::string(),
+                            false /* don't sync pref */);
 }
 
 // static
 void GoogleURLTracker::GoogleURLSearchCommitted() {
   GoogleURLTracker* tracker = g_browser_process->google_url_tracker();
   if (tracker)
     tracker->SearchCommitted();
 }
 
 void GoogleURLTracker::SetNeedToFetch() {
@@ skipping 210 matching lines @@
 }
 
 void GoogleURLTracker::ShowGoogleURLInfoBarIfNecessary(
     TabContents* tab_contents) {
   if (!need_to_prompt_)
     return;
   DCHECK(!fetched_google_url_.is_empty());
 
   infobar_ = (*infobar_creator_)(tab_contents, this, fetched_google_url_);
 }