Extension syncing: Introduce a NeedsSync pref

chrome/browser/extensions/pending_enables.cc

-// Copyright 2013 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/extensions/pending_enables.h"
-
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/sync_bundle.h"
-#include "components/sync_driver/sync_prefs.h"
-
-namespace extensions {
-
-PendingEnables::PendingEnables(scoped_ptr<sync_driver::SyncPrefs> sync_prefs,
-                               SyncBundle* sync_bundle,
-                               syncer::ModelType enable_type)
-    : sync_prefs_(sync_prefs.Pass()),
-      sync_bundle_(sync_bundle),
-      enable_type_(enable_type),
-      is_sync_enabled_for_test_(false) {}
-
-PendingEnables::~PendingEnables() {
-}
-
-void PendingEnables::Add(const std::string& extension_id) {
-  if (IsWaitingForSync())
-    ids_.insert(extension_id);
-}
-
-void PendingEnables::Remove(const std::string& extension_id) {
-  if (IsWaitingForSync())
-    ids_.erase(extension_id);
-}
-
-void PendingEnables::OnSyncStarted(ExtensionService* service) {
-  for (std::set<std::string>::const_iterator it = ids_.begin();
-       it != ids_.end(); ++it) {
-    const Extension* extension = service->GetExtensionById(*it, true);
-    if (extension)
-      sync_bundle_->PushSyncAddOrUpdate(*extension);
-  }
-  ids_.clear();
-}
-
-bool PendingEnables::Contains(const std::string& extension_id) const {
-  return ids_.find(extension_id) != ids_.end();
-}
-
-bool PendingEnables::IsSyncEnabled() {
-  if (is_sync_enabled_for_test_)
-    return true;
-  return sync_prefs_ &&
-      sync_prefs_->HasSyncSetupCompleted() &&
-      sync_prefs_->GetPreferredDataTypes(syncer::ModelTypeSet(enable_type_))
-          .Has(enable_type_);
-}
-
-bool PendingEnables::IsWaitingForSync() {
-  return IsSyncEnabled() && !sync_bundle_->IsSyncing();
-}
-
-}  // namespace extensions
-