Add additional error logging to investigate Autocomplete Sync failures.

chrome/browser/sync/profile_sync_service_typed_url_unittest.cc

Index: chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc b/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
index 9a472b565aa0361c371160df0f707c5c46b1d6b1..a51c24faffc99a622bf23f4e3278033153b92614 100644
--- a/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_typed_url_unittest.cc
@@ -172,9 +172,9 @@ class ProfileSyncServiceTypedUrlTest : public AbstractProfileSyncServiceTest {
 
     sync_api::WriteNode node(&trans);
     std::string tag = url.url().spec();
-    ASSERT_TRUE(node.InitUniqueByCreation(syncable::TYPED_URLS,
-                                          typed_url_root,
-                                          tag));
+    sync_api::WriteNode::InitUniqueByCreationResult result =
+        node.InitUniqueByCreation(syncable::TYPED_URLS, typed_url_root, tag);
+    ASSERT_EQ(sync_api::WriteNode::INIT_SUCCESS, result);
     TypedUrlModelAssociator::WriteToSyncNode(url, visits, &node);
   }