components: Change auto to not deduce raw pointers.

components/domain_reliability/google_configs_unittest.cc

 // Copyright 2015 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 "components/domain_reliability/google_configs.h"
 
 #include "base/stl_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace domain_reliability {
 
 namespace {
 
 typedef std::vector<DomainReliabilityConfig*> ConfigPointerVector;
 
 TEST(DomainReliabilityGoogleConfigsTest, Enumerate) {
   ConfigPointerVector configs;
   STLElementDeleter<ConfigPointerVector> configs_deleter(&configs);
 
   GetAllGoogleConfigs(&configs);
 }
 
 TEST(DomainReliabilityGoogleConfigsTest, ConfigsAreValid) {
   ConfigPointerVector configs;
   STLElementDeleter<ConfigPointerVector> configs_deleter(&configs);
 
   GetAllGoogleConfigs(&configs);
-  for (auto config : configs)
+  for (auto* config : configs)
     EXPECT_TRUE(config->IsValid());
 }
 
 }  // namespace
 
 }  // namespace domain_reliability