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

chrome/browser/sync/profile_sync_service_autofill_unittest.cc

Index: chrome/browser/sync/profile_sync_service_autofill_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_autofill_unittest.cc b/chrome/browser/sync/profile_sync_service_autofill_unittest.cc
index ae4ecf66dc9d1322da4b7aa225f73cfaa28cd136..629c4516ef323c4d0b1687f09246339a8bf0dae1 100644
--- a/chrome/browser/sync/profile_sync_service_autofill_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_autofill_unittest.cc
@@ -580,17 +580,12 @@ class ProfileSyncServiceAutofillTest
 
   bool AddAutofillSyncNode(const AutofillEntry& entry) {
     syncer::WriteTransaction trans(FROM_HERE, sync_service_->GetUserShare());
-    syncer::ReadNode autofill_root(&trans);
-    if (autofill_root.InitTypeRoot(syncer::AUTOFILL) != BaseNode::INIT_OK) {
-      return false;
-    }
-
     syncer::WriteNode node(&trans);
     std::string tag = AutocompleteSyncableService::KeyToTag(
         base::UTF16ToUTF8(entry.key().name()),
         base::UTF16ToUTF8(entry.key().value()));
     syncer::WriteNode::InitUniqueByCreationResult result =
-        node.InitUniqueByCreation(syncer::AUTOFILL, autofill_root, tag);
+        node.InitUniqueByCreation(syncer::AUTOFILL, tag);
     if (result != syncer::WriteNode::INIT_SUCCESS)
       return false;
 
@@ -602,15 +597,10 @@ class ProfileSyncServiceAutofillTest
 
   bool AddAutofillSyncNode(const AutofillProfile& profile) {
     syncer::WriteTransaction trans(FROM_HERE, sync_service_->GetUserShare());
-    syncer::ReadNode autofill_root(&trans);
-    if (autofill_root.InitTypeRoot(AUTOFILL_PROFILE) != BaseNode::INIT_OK) {
-      return false;
-    }
     syncer::WriteNode node(&trans);
     std::string tag = profile.guid();
     syncer::WriteNode::InitUniqueByCreationResult result =
-        node.InitUniqueByCreation(syncer::AUTOFILL_PROFILE,
-                                  autofill_root, tag);
+        node.InitUniqueByCreation(syncer::AUTOFILL_PROFILE, tag);
     if (result != syncer::WriteNode::INIT_SUCCESS)
       return false;