Sync: Don't set/use Parent ID for non-hierarchical sync data types.

sync/internal_api/sync_manager_impl_unittest.cc

Index: sync/internal_api/sync_manager_impl_unittest.cc
diff --git a/sync/internal_api/sync_manager_impl_unittest.cc b/sync/internal_api/sync_manager_impl_unittest.cc
index 84389e639c7b2370060dbbda5255be150cc63661..f67eaeb78aefe249c6a4af99a14d81d81ec2f614 100644
--- a/sync/internal_api/sync_manager_impl_unittest.cc
+++ b/sync/internal_api/sync_manager_impl_unittest.cc
@@ -517,8 +517,6 @@ TEST_F(SyncApiTest, WriteAndReadPassword) {
   }
   {
     ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
 
     ReadNode password_node(&trans);
     EXPECT_EQ(BaseNode::INIT_OK,
@@ -555,8 +553,6 @@ TEST_F(SyncApiTest, WriteEncryptedTitle) {
   }
   {
     ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
 
     ReadNode bookmark_node(&trans);
     ASSERT_EQ(BaseNode::INIT_OK, bookmark_node.InitByIdLookup(bookmark_id));
@@ -590,8 +586,6 @@ TEST_F(SyncApiTest, WriteEmptyBookmarkTitle) {
   }
   {
     ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
 
     ReadNode bookmark_node(&trans);
     ASSERT_EQ(BaseNode::INIT_OK, bookmark_node.InitByIdLookup(bookmark_id));