Fix auto raw pointer deduction on linux

net/http/http_network_transaction_unittest.cc

Index: net/http/http_network_transaction_unittest.cc
diff --git a/net/http/http_network_transaction_unittest.cc b/net/http/http_network_transaction_unittest.cc
index edc71ff7b350558f9168a440c711b2404431dc1f..c7a93f09db40de5817ebd00565cffbb982d97dba 100644
--- a/net/http/http_network_transaction_unittest.cc
+++ b/net/http/http_network_transaction_unittest.cc
@@ -136,7 +136,7 @@ class TestNetworkStreamThrottler : public NetworkThrottleManager {
 
   void UnthrottleAllRequests() {
     std::set<TestThrottle*> outstanding_throttles_copy(outstanding_throttles_);
-    for (auto& throttle : outstanding_throttles_copy) {
+    for (auto* throttle : outstanding_throttles_copy) {
       if (throttle->IsBlocked())
         throttle->Unthrottle();
     }