Remove some linked_ptr c/b/extension

chrome/browser/extensions/api/storage/sync_storage_backend.cc

Index: chrome/browser/extensions/api/storage/sync_storage_backend.cc
diff --git a/chrome/browser/extensions/api/storage/sync_storage_backend.cc b/chrome/browser/extensions/api/storage/sync_storage_backend.cc
index 88bf2222a83a41681a6bef77177910eb55a79650..b0dfb3687ffe400527ef981df3b14598ca45ee90 100644
--- a/chrome/browser/extensions/api/storage/sync_storage_backend.cc
+++ b/chrome/browser/extensions/api/storage/sync_storage_backend.cc
@@ -89,10 +89,9 @@ SyncableSettingsStorage* SyncStorageBackend::GetOrCreateStorageWithSyncData(
 
   // It's fine to create the quota enforcer underneath the sync layer, since
   // sync will only go ahead if each underlying storage operation succeeds.
-  linked_ptr<SyncableSettingsStorage> syncable_storage(
-      new SyncableSettingsStorage(
-          observers_, extension_id, storage.release(), sync_type_, flare_));
-  storage_objs_[extension_id] = syncable_storage;
+  storage_objs_[extension_id] = base::MakeUnique<SyncableSettingsStorage>(
+      observers_, extension_id, storage.release(), sync_type_, flare_);
+  SyncableSettingsStorage* syncable_storage = storage_objs_[extension_id].get();

[Devlin, 2016/11/02 22:25:33]

similar comment here around saving a lookup

[limasdf, 2016/11/03 15:29:23]

Done.

 
   if (sync_processor_.get()) {
     syncer::SyncError error = syncable_storage->StartSyncing(
@@ -100,7 +99,7 @@ SyncableSettingsStorage* SyncStorageBackend::GetOrCreateStorageWithSyncData(
     if (error.IsSet())
       syncable_storage->StopSyncing();
   }
-  return syncable_storage.get();
+  return syncable_storage;
 }
 
 void SyncStorageBackend::DeleteStorage(const std::string& extension_id) {