sync: Implementation of Priority Preferences.

chrome/browser/sync/profile_sync_service.cc

Index: chrome/browser/sync/profile_sync_service.cc
diff --git a/chrome/browser/sync/profile_sync_service.cc b/chrome/browser/sync/profile_sync_service.cc
index 5c17fb0f3e3c01b4bd833b558a4d80e13bc5a721..02bcfbace03d406a3779950b834f4e288a2ee76d 100644
--- a/chrome/browser/sync/profile_sync_service.cc
+++ b/chrome/browser/sync/profile_sync_service.cc
@@ -824,6 +824,7 @@ void ProfileSyncService::OnBackendInitialized(
 
   if (HasSyncSetupCompleted()) {
     ConfigureDataTypeManager();
+    ConfigurePriorityDataTypes();

[Nicolas Zea, 2013/03/05 01:15:44]

this should be before the normal types

[albertb, 2013/03/15 21:08:45]

Done.

   } else {
     DCHECK(FirstSetupInProgress());
   }
@@ -1268,6 +1269,7 @@ void ProfileSyncService::SetSetupInProgress(bool setup_in_progress) {
   setup_in_progress_ = setup_in_progress;
   if (!setup_in_progress && was_in_progress) {
     if (sync_initialized()) {
+      ConfigurePriorityDataTypes();
       ReconfigureDatatypeManager();
     }
   }
@@ -1411,6 +1413,7 @@ void ProfileSyncService::ChangePreferredDataTypes(
   ReconfigureDatatypeManager();
 }
 
+// TODO(albertb): Extract a common method.
 syncer::ModelTypeSet ProfileSyncService::GetPreferredDataTypes() const {
   const syncer::ModelTypeSet registered_types = GetRegisteredDataTypes();
   const syncer::ModelTypeSet preferred_types =
@@ -1457,6 +1460,13 @@ SyncBackendHost* ProfileSyncService::GetBackendForTest() {
   return backend_.get();
 }
 
+void ProfileSyncService::ConfigurePriorityDataTypes() {
+  const syncer::ModelTypeSet priority_types =
+      Intersection(GetPreferredDataTypes(), syncer::PriorityUserTypes());
+  data_type_manager_->Configure(priority_types,
+                                syncer::CONFIGURE_REASON_RECONFIGURATION);
+}
+
 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