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

chrome/browser/sync/glue/sync_backend_host_mock.cc

Index: chrome/browser/sync/glue/sync_backend_host_mock.cc
diff --git a/chrome/browser/sync/glue/sync_backend_host_mock.cc b/chrome/browser/sync/glue/sync_backend_host_mock.cc
index 8faed53b075e6b6a5974d2c907f76d459126ab6b..704f55cb3b7c4dcbd34633dd9f9b5d464ca515dd 100644
--- a/chrome/browser/sync/glue/sync_backend_host_mock.cc
+++ b/chrome/browser/sync/glue/sync_backend_host_mock.cc
@@ -111,10 +111,6 @@ bool SyncBackendHostMock::IsCryptographerReady(
 void SyncBackendHostMock::GetModelSafeRoutingInfo(
     syncer::ModelSafeRoutingInfo* out) const {}
 
-SyncedDeviceTracker* SyncBackendHostMock::GetSyncedDeviceTracker() const {
-  return NULL;
-}
-
 base::MessageLoop* SyncBackendHostMock::GetSyncLoopForTesting() {
   return NULL;
 }