Fix auto raw pointer deduction on linux

net/http/http_network_transaction_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <stdarg.h>
 #include <stdint.h>
 
@@ skipping 118 matching lines @@
                                            RequestPriority priority,
                                            bool ignore_limits) override {
     std::unique_ptr<TestThrottle> test_throttle(
         new TestThrottle(throttle_new_requests_, delegate, this));
     outstanding_throttles_.insert(test_throttle.get());
     return std::move(test_throttle);
   }
 
   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();
     }
   }
 
   void set_throttle_new_requests(bool throttle_new_requests) {
     throttle_new_requests_ = throttle_new_requests;
   }
 
   // Includes both throttled and unthrottled throttles.
@@ skipping 16368 matching lines @@
   base::RunLoop().RunUntilIdle();
 
   EXPECT_TRUE(trans.GetResponseInfo()->was_fetched_via_spdy);
   HttpRequestHeaders headers;
   ASSERT_TRUE(trans.GetFullRequestHeaders(&headers));
   EXPECT_TRUE(headers.HasHeader(HttpRequestHeaders::kTokenBinding));
 }
 #endif  // !defined(OS_IOS)
 
 }  // namespace net