Refactor syncable DEVICE_INFO type from ChangeProcessor to SyncableService - part 3.

chrome/browser/sync/glue/sync_backend_host_core.cc

Index: chrome/browser/sync/glue/sync_backend_host_core.cc
diff --git a/chrome/browser/sync/glue/sync_backend_host_core.cc b/chrome/browser/sync/glue/sync_backend_host_core.cc
index 2a78040131e0e7894375a1f11fa40c2e0285eb66..1e3abaff88b3b4510946fe4b686d0680f30aafaa 100644
--- a/chrome/browser/sync/glue/sync_backend_host_core.cc
+++ b/chrome/browser/sync/glue/sync_backend_host_core.cc
@@ -9,7 +9,6 @@
 #include "chrome/browser/sync/glue/device_info.h"
 #include "chrome/browser/sync/glue/invalidation_adapter.h"
 #include "chrome/browser/sync/glue/sync_backend_registrar.h"
-#include "chrome/browser/sync/glue/synced_device_tracker.h"
 #include "chrome/common/chrome_version_info.h"
 #include "components/invalidation/invalidation_util.h"
 #include "components/invalidation/object_id_invalidation_map.h"
@@ -509,25 +508,6 @@ void SyncBackendHostCore::DoInitialProcessControlTypes() {
     return;
   }
 
-  // Initialize device info. This is asynchronous on some platforms, so we
-  // provide a callback for when it finishes.
-  synced_device_tracker_.reset(
-      new SyncedDeviceTracker(sync_manager_->GetUserShare(),
-                              sync_manager_->cache_guid()));
-  synced_device_tracker_->InitLocalDeviceInfo(
-      signin_scoped_device_id_,
-      base::Bind(&SyncBackendHostCore::DoFinishInitialProcessControlTypes,
-                 weak_ptr_factory_.GetWeakPtr()));
-}
-
-void SyncBackendHostCore::DoFinishInitialProcessControlTypes() {
-  DCHECK_EQ(base::MessageLoop::current(), sync_loop_);
-
-  registrar_->ActivateDataType(syncer::DEVICE_INFO,
-                               syncer::GROUP_PASSIVE,
-                               synced_device_tracker_.get(),
-                               sync_manager_->GetUserShare());
-
   host_.Call(FROM_HERE,
              &SyncBackendHostImpl::HandleInitializationSuccessOnFrontendLoop,
              js_backend_,
@@ -575,10 +555,6 @@ void SyncBackendHostCore::ShutdownOnUIThread() {
 void SyncBackendHostCore::DoShutdown(syncer::ShutdownReason reason) {
   DCHECK_EQ(base::MessageLoop::current(), sync_loop_);
 
-  // It's safe to do this even if the type was never activated.
-  registrar_->DeactivateDataType(syncer::DEVICE_INFO);
-  synced_device_tracker_.reset();
-
   DoDestroySyncManager(reason);
 
   registrar_ = NULL;