Fix auto raw pointer deduction on linux

content/browser/indexed_db/indexed_db_transaction_coordinator.cc

Index: content/browser/indexed_db/indexed_db_transaction_coordinator.cc
diff --git a/content/browser/indexed_db/indexed_db_transaction_coordinator.cc b/content/browser/indexed_db/indexed_db_transaction_coordinator.cc
index 80345303ab195efadd7a765b33fb8d8b154033b1..119bd25f701a2f971d6aa9435f15b74562c82565 100644
--- a/content/browser/indexed_db/indexed_db_transaction_coordinator.cc
+++ b/content/browser/indexed_db/indexed_db_transaction_coordinator.cc
@@ -97,7 +97,7 @@ void IndexedDBTransactionCoordinator::ProcessQueuedTransactions() {
   // data. ("Version change" transactions are exclusive, but handled by the
   // connection sequencing in IndexedDBDatabase.)
   std::set<int64_t> locked_scope;
-  for (const auto& transaction : started_transactions_) {
+  for (auto* transaction : started_transactions_) {
     if (transaction->mode() == blink::WebIDBTransactionModeReadWrite) {
       // Started read/write transactions have exclusive access to the object
       // stores within their scopes.