Remove uses of base::hash_map from //chrome

chrome/browser/chromeos/net/network_portal_detector_test_impl.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_TEST_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_TEST_IMPL_H_
 
+#include <map>
 #include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
-#include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "chromeos/network/portal_detector/network_portal_detector.h"
 
 namespace chromeos {
 
 class NetworkPortalDetectorTestImpl : public NetworkPortalDetector {
  public:
   NetworkPortalDetectorTestImpl();
   ~NetworkPortalDetectorTestImpl() override;
@@ skipping 14 matching lines @@
   bool StartDetectionIfIdle() override;
 
   void SetStrategy(PortalDetectorStrategy::StrategyId id) override;
   void OnLockScreenRequest() override;
 
   PortalDetectorStrategy::StrategyId strategy_id() const {
     return strategy_id_;
   }
 
  private:
-  typedef std::string NetworkId;
-  typedef base::hash_map<NetworkId, CaptivePortalState> CaptivePortalStateMap;
+  using NetworkId = std::string;
+  using CaptivePortalStateMap = std::map<NetworkId, CaptivePortalState>;
 
   base::ObserverList<Observer> observers_;
   std::unique_ptr<NetworkState> default_network_;
   CaptivePortalStateMap portal_state_map_;
   PortalDetectorStrategy::StrategyId strategy_id_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkPortalDetectorTestImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_NET_NETWORK_PORTAL_DETECTOR_TEST_IMPL_H_