Splits shelf alignment and auto-hide behavior into two values, one

chrome/browser/prefs/pref_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/prefs/pref_service.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/default_pref_store.h"
 #include "base/prefs/json_pref_store.h"
 #include "base/prefs/overlay_user_pref_store.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/value_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_pref_store.h"
 #include "chrome/browser/policy/configuration_policy_pref_store.h"
 #include "chrome/browser/prefs/command_line_pref_store.h"
 #include "chrome/browser/prefs/pref_model_associator.h"
 #include "chrome/browser/prefs/pref_notifier_impl.h"
+#include "chrome/browser/prefs/pref_service_observer.h"
 #include "chrome/browser/prefs/pref_value_store.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
 #include "chrome/browser/ui/profile_error_dialog.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
@@ skipping 209 matching lines @@
 bool PrefService::ReloadPersistentPrefs() {
   return user_pref_store_->ReadPrefs() ==
              PersistentPrefStore::PREF_READ_ERROR_NONE;
 }
 
 void PrefService::CommitPendingWrite() {
   DCHECK(CalledOnValidThread());
   user_pref_store_->CommitPendingWrite();
 }
 
+void PrefService::AddObserver(PrefServiceObserver* observer) {
+  observer_list_.AddObserver(observer);
+}
+
+void PrefService::RemoveObserver(PrefServiceObserver* observer) {
+  observer_list_.RemoveObserver(observer);
+}
+
+bool PrefService::HasSynced() {
+  return pref_sync_associator_.get() &&
+      pref_sync_associator_->models_associated();
+}
+
+void PrefService::HasSyncedChanged() {
+  FOR_EACH_OBSERVER(PrefServiceObserver, observer_list_, OnHasSyncedChanged());
+}
+
 namespace {
 
 // If there's no g_browser_process or no local state, return true (for testing).
 bool IsLocalStatePrefService(PrefService* prefs) {
   return (!g_browser_process ||
           !g_browser_process->local_state() ||
           g_browser_process->local_state() == prefs);
 }
 
 // If there's no g_browser_process, return true (for testing).
@@ skipping 773 matching lines @@
   return pref_value_store()->PrefValueFromDefaultStore(name_.c_str());
 }
 
 bool PrefService::Preference::IsUserModifiable() const {
   return pref_value_store()->PrefValueUserModifiable(name_.c_str());
 }
 
 bool PrefService::Preference::IsExtensionModifiable() const {
   return pref_value_store()->PrefValueExtensionModifiable(name_.c_str());
 }