components: Change auto to not deduce raw pointers.

components/domain_reliability/scheduler.cc

Index: components/domain_reliability/scheduler.cc
diff --git a/components/domain_reliability/scheduler.cc b/components/domain_reliability/scheduler.cc
index 6e0aa6b3d96f299ed7be988aab1fe828110e9dc5..87a908103927e87d1812b88501f53fcd05e1ed6a 100644
--- a/components/domain_reliability/scheduler.cc
+++ b/components/domain_reliability/scheduler.cc
@@ -184,7 +184,7 @@ std::unique_ptr<base::Value> DomainReliabilityScheduler::GetWebUIData() const {
   }
 
   std::unique_ptr<base::ListValue> collectors_value(new base::ListValue());
-  for (const auto& collector : collectors_) {
+  for (const auto* collector : collectors_) {
     std::unique_ptr<base::DictionaryValue> value(new base::DictionaryValue());
     value->SetInteger("failures", collector->failure_count());
     value->SetInteger("next_upload",