Chromium Code Reviews| Index: ui/base/dragdrop/os_exchange_data_provider_factory.cc |
| diff --git a/ui/base/dragdrop/os_exchange_data_provider_factory.cc b/ui/base/dragdrop/os_exchange_data_provider_factory.cc |
| index df3aab7c06e2b55b1c647e83c1186e54d50c8d73..147cebfc6ea134a70bb453b685622429ccae1c9b 100644 |
| --- a/ui/base/dragdrop/os_exchange_data_provider_factory.cc |
| +++ b/ui/base/dragdrop/os_exchange_data_provider_factory.cc |
| @@ -22,6 +22,7 @@ OSExchangeDataProviderFactory::Factory* factory_ = nullptr; |
| // static |
| void OSExchangeDataProviderFactory::SetFactory(Factory* factory) { |
| + DCHECK(!factory_ || !factory); |
| factory_ = factory; |
| } |