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 51ae0283fa00185c27b43dbc91b76496a70805fc..83acd3e7592ab69b73eba9f8a61f3aae99be6951 100644
--- a/content/browser/indexed_db/indexed_db_transaction_coordinator.cc
+++ b/content/browser/indexed_db/indexed_db_transaction_coordinator.cc
@@ -106,7 +106,7 @@ 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.