Fix auto raw pointer deduction on linux

components/component_updater/component_updater_service.cc

Index: components/component_updater/component_updater_service.cc
diff --git a/components/component_updater/component_updater_service.cc b/components/component_updater/component_updater_service.cc
index b8b27baf251d81e2834724da35ce94c3f019efcd..0ebd0a2de91e44aaa264c49ae59b9191ccb1b86a 100644
--- a/components/component_updater/component_updater_service.cc
+++ b/components/component_updater/component_updater_service.cc
@@ -200,7 +200,7 @@ std::unique_ptr<ComponentInfo> CrxUpdateService::GetComponentForMimeType(
   const auto it = component_ids_by_mime_type_.find(mime_type);
   if (it == component_ids_by_mime_type_.end())
     return nullptr;
-  const auto component = GetComponent(it->second);
+  auto* const component = GetComponent(it->second);
   if (!component)
     return nullptr;
   return base::MakeUnique<ComponentInfo>(GetCrxComponentID(*component),