Added Protector backup for Preferences.

chrome/browser/protector/protector_service.cc

 // Copyright (c) 2012 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/protector/protector_service.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/protector/settings_change_global_error.h"
 #include "chrome/browser/protector/keys.h"
+#include "chrome/browser/protector/protected_prefs_watcher.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_source.h"
 #include "crypto/hmac.h"
 
 namespace protector {
 
 ProtectorService::ProtectorService(Profile* profile)
     : profile_(profile),
       has_active_change_(false) {
+  // Start observing pref changes.
+  prefs_watcher_.reset(new ProtectedPrefsWatcher(profile));
 }
 
 ProtectorService::~ProtectorService() {
   DCHECK(!IsShowingChange());  // Should have been dismissed by Shutdown.
 }
 
 void ProtectorService::ShowChange(BaseSettingChange* change) {
   DCHECK(change);
   Item new_item;
   new_item.change.reset(change);
@@ skipping 32 matching lines @@
       std::find_if(items_.begin(), items_.end(), MatchItemByChange(change));
   DCHECK(item != items_.end());
   item->error->RemoveFromProfile();
 }
 
 void ProtectorService::OpenTab(const GURL& url, Browser* browser) {
   DCHECK(browser);
   browser->ShowSingletonTab(url);
 }
 
+ProtectedPrefsWatcher* ProtectorService::GetPrefsWatcher() {
+  return prefs_watcher_.get();
+}
+
 void ProtectorService::Shutdown() {
   while (IsShowingChange())
     items_[0].error->RemoveFromProfile();
 }
 
 void ProtectorService::OnApplyChange(SettingsChangeGlobalError* error,
                                      Browser* browser) {
   DVLOG(1) << "Apply change";
   error->change()->Apply(browser);
   has_active_change_ = false;
@@ skipping 81 matching lines @@
     return false;
   }
   return hmac.Verify(value, signature);
 }
 
 bool IsEnabled() {
   return !CommandLine::ForCurrentProcess()->HasSwitch(switches::kNoProtector);
 }
 
 }  // namespace protector