[IndexedDB] Adding traces, perf tests

content/browser/indexed_db/indexed_db_transaction.cc

Index: content/browser/indexed_db/indexed_db_transaction.cc
diff --git a/content/browser/indexed_db/indexed_db_transaction.cc b/content/browser/indexed_db/indexed_db_transaction.cc
index 92679997104233f29b6b871cb0f51a773d2522ac..ff948a1620b5cb7e1cb6e2a3b5c12e3cd3b611e5 100644
--- a/content/browser/indexed_db/indexed_db_transaction.cc
+++ b/content/browser/indexed_db/indexed_db_transaction.cc
@@ -315,7 +315,11 @@ leveldb::Status IndexedDBTransaction::CommitPhaseTwo() {
 
   if (committed) {
     abort_task_stack_.clear();
-    callbacks_->OnComplete(id_);
+    {
+      IDB_TRACE1("IndexedDBTransaction:TransactionCompleteCallbacks:", "txn.id",

[cmumford, 2015/08/03 17:31:33]

colon in wrong place.

[dmurph, 2015/08/05 15:30:32]

Done.

+                 id());
+      callbacks_->OnComplete(id_);
+    }
     database_->TransactionFinished(this, true);
   } else {
     while (!abort_task_stack_.empty())
@@ -407,6 +411,7 @@ void IndexedDBTransaction::Timeout() {
 }
 
 void IndexedDBTransaction::CloseOpenCursors() {
+  IDB_TRACE1("IndexedDBTransaction::CloseOpenCursors", "txn.id", id());
   for (auto* cursor : open_cursors_)
     cursor->Close();
   open_cursors_.clear();