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 15886783be6d1ce434ea1df9fcbaf56ef7cd1db5..9be0f5c349488038bb67e3dc01c0fd7f4ffc28c8 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),