sync: Implementation of Priority Preferences.

chrome/browser/sync/profile_sync_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/sync/profile_sync_service.h"
 
 #include <cstddef>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1495 matching lines @@
     const syncer::BaseTransaction* trans) const {
   return backend_.get() && backend_->IsCryptographerReady(trans);
 }
 
 SyncBackendHost* ProfileSyncService::GetBackendForTest() {
   // We don't check |backend_initialized_|; we assume the test class
   // knows what it's doing.
   return backend_.get();
 }
 
+void ProfileSyncService::ConfigurePriorityDataTypes() {
+  const syncer::ModelTypeSet priority_types =
+      Intersection(GetPreferredDataTypes(), syncer::PriorityUserTypes());
+  if (!priority_types.Empty()) {
+    const syncer::ConfigureReason reason = HasSyncSetupCompleted() ?
+        syncer::CONFIGURE_REASON_RECONFIGURATION :
+        syncer::CONFIGURE_REASON_NEW_CLIENT;
+    data_type_manager_->Configure(priority_types, reason);
+  }
+}
+
 void ProfileSyncService::ConfigureDataTypeManager() {
   // Don't configure datatypes if the setup UI is still on the screen - this
   // is to help multi-screen setting UIs (like iOS) where they don't want to
   // start syncing data until the user is done configuring encryption options,
   // etc. ReconfigureDatatypeManager() will get called again once the UI calls
   // SetSetupInProgress(false).
   if (setup_in_progress_)
     return;
 
   bool restart = false;
   if (!data_type_manager_.get()) {
     restart = true;
     data_type_manager_.reset(
         factory_->CreateDataTypeManager(debug_info_listener_,
                                         backend_.get(),
                                         &data_type_controllers_,
                                         this,
                                         &failed_datatypes_handler_));
 
     // We create the migrator at the same time.
     migrator_.reset(
         new browser_sync::BackendMigrator(
             profile_->GetDebugName(), GetUserShare(),
             this, data_type_manager_.get(),
             base::Bind(&ProfileSyncService::StartSyncingWithServer,
                        base::Unretained(this))));
   }
+  ConfigurePriorityDataTypes();
 
 #if defined(OS_ANDROID)
   if (GetPreferredDataTypes().Has(syncer::PASSWORDS) &&
       !ShouldEnablePasswordSyncForAndroid()) {
     DisableBrokenDatatype(syncer::PASSWORDS, FROM_HERE, "Not supported.");
   }
 #endif
 
   const syncer::ModelTypeSet types = GetPreferredDataTypes();
   if (IsPassphraseRequiredForDecryption()) {
@@ skipping 461 matching lines @@
   // See http://stackoverflow.com/questions/6224121/is-new-this-myclass-undefined-behaviour-after-directly-calling-the-destru.
   ProfileSyncService* old_this = this;
   this->~ProfileSyncService();
   new(old_this) ProfileSyncService(
       new ProfileSyncComponentsFactoryImpl(profile,
                                            CommandLine::ForCurrentProcess()),
       profile,
       signin,
       behavior);
 }