Revert of Convert //net and //chromecast to std::unordered_*

net/base/network_change_notifier_linux.cc

 // Copyright (c) 2012 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/base/network_change_notifier_linux.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/threading/thread.h"
 #include "net/base/address_tracker_linux.h"
 #include "net/dns/dns_config_service.h"
 
 namespace net {
 
 class NetworkChangeNotifierLinux::Thread : public base::Thread {
  public:
-  explicit Thread(const std::unordered_set<std::string>& ignored_interfaces);
+  explicit Thread(const base::hash_set<std::string>& ignored_interfaces);
   ~Thread() override;
 
   // Plumbing for NetworkChangeNotifier::GetCurrentConnectionType.
   // Safe to call from any thread.
   NetworkChangeNotifier::ConnectionType GetCurrentConnectionType() {
     return address_tracker_->GetCurrentConnectionType();
   }
 
   const internal::AddressTrackerLinux* address_tracker() const {
     return address_tracker_.get();
   }
 
  protected:
   // base::Thread
   void Init() override;
   void CleanUp() override;
 
  private:
   void OnIPAddressChanged();
   void OnLinkChanged();
   scoped_ptr<DnsConfigService> dns_config_service_;
   // Used to detect online/offline state and IP address changes.
   scoped_ptr<internal::AddressTrackerLinux> address_tracker_;
   NetworkChangeNotifier::ConnectionType last_type_;
 
   DISALLOW_COPY_AND_ASSIGN(Thread);
 };
 
 NetworkChangeNotifierLinux::Thread::Thread(
-    const std::unordered_set<std::string>& ignored_interfaces)
+    const base::hash_set<std::string>& ignored_interfaces)
     : base::Thread("NetworkChangeNotifier"),
       address_tracker_(new internal::AddressTrackerLinux(
           base::Bind(&NetworkChangeNotifierLinux::Thread::OnIPAddressChanged,
                      base::Unretained(this)),
           base::Bind(&NetworkChangeNotifierLinux::Thread::OnLinkChanged,
                      base::Unretained(this)),
           base::Bind(base::DoNothing),
           ignored_interfaces)),
       last_type_(NetworkChangeNotifier::CONNECTION_NONE) {}
 
@@ skipping 29 matching lines @@
     last_type_ = GetCurrentConnectionType();
     double max_bandwidth_mbps =
         NetworkChangeNotifier::GetMaxBandwidthForConnectionSubtype(
             last_type_ == CONNECTION_NONE ? SUBTYPE_NONE : SUBTYPE_UNKNOWN);
     NetworkChangeNotifier::NotifyObserversOfMaxBandwidthChange(
         max_bandwidth_mbps, last_type_);
   }
 }
 
 NetworkChangeNotifierLinux::NetworkChangeNotifierLinux(
-    const std::unordered_set<std::string>& ignored_interfaces)
+    const base::hash_set<std::string>& ignored_interfaces)
     : NetworkChangeNotifier(NetworkChangeCalculatorParamsLinux()),
       notifier_thread_(new Thread(ignored_interfaces)) {
   // We create this notifier thread because the notification implementation
   // needs a MessageLoopForIO, and there's no guarantee that
   // MessageLoop::current() meets that criterion.
   base::Thread::Options thread_options(base::MessageLoop::TYPE_IO, 0);
   notifier_thread_->StartWithOptions(thread_options);
 }
 
 NetworkChangeNotifierLinux::~NetworkChangeNotifierLinux() {
@@ skipping 20 matching lines @@
 NetworkChangeNotifierLinux::GetCurrentConnectionType() const {
   return notifier_thread_->GetCurrentConnectionType();
 }
 
 const internal::AddressTrackerLinux*
 NetworkChangeNotifierLinux::GetAddressTrackerInternal() const {
   return notifier_thread_->address_tracker();
 }
 
 }  // namespace net