Remove ConnectivityStateHelper

chrome/browser/chromeos/net/connectivity_state_helper.h

-// Copyright (c) 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_CONNECTIVITY_STATE_HELPER_H_
-#define CHROME_BROWSER_CHROMEOS_NET_CONNECTIVITY_STATE_HELPER_H_
-
-#include "base/observer_list.h"
-#include "chrome/browser/chromeos/cros/network_library.h"
-#include "chrome/browser/chromeos/net/connectivity_state_helper_observer.h"
-#include "chromeos/network/network_state_handler.h"
-
-namespace chromeos {
-
-// This class provides an interface for consumers to query the connectivity
-// state on Chrome OS. Subclasses must implement the query methods using an
-// appropriate source (e.g. NetworkStateHandler).
-class ConnectivityStateHelper {
- public:
-  virtual ~ConnectivityStateHelper();
-
-  // Initializes the state helper singleton to use the default (network state
-  // handler) implementation or the network library implementation based
-  // on the value of command line flag.
-  static void Initialize();
-  static bool IsInitialized();
-  static void Shutdown();
-  static ConnectivityStateHelper* Get();
-
-  // Sets up Get() to return |impl| for testing (e.g. with a mock
-  // implementation). Call SetForTest(NUL) when |impl| is deleted.
-  static void SetForTest(ConnectivityStateHelper* impl);
-
-  // Returns true if in a connected state.
-  virtual bool IsConnected() = 0;
-
-  // Returns true if in a connecting state.
-  virtual bool IsConnecting() = 0;
-
-  // Returns true if there's a network of |type| in connected state.
-  virtual bool IsConnectedType(const std::string& type) = 0;
-
-  // Returns true if there's a network of |type| in connecting state.
-  virtual bool IsConnectingType(const std::string& type) = 0;
-
-  // Get the name for the primary network of type |type| which is not
-  // in non-idle state (i.e. connecting or connected state).
-  virtual std::string NetworkNameForType(const std::string& type) = 0;
-
-  // Returns the name of the default network.
-  virtual std::string DefaultNetworkName() = 0;
-
-  // Returns true if we have a default network and are in online state.
-  virtual bool DefaultNetworkOnline() = 0;
-
-  // Request a network scan.
-  virtual void RequestScan() const = 0;
-
-  // Add/remove observers for listening to connection manager changes.
-  virtual void AddNetworkManagerObserver(
-      ConnectivityStateHelperObserver* observer);
-  virtual void RemoveNetworkManagerObserver(
-      ConnectivityStateHelperObserver* observer);
-
- protected:
-  ConnectivityStateHelper();
-  ObserverList<ConnectivityStateHelperObserver> connectivity_observers_;
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_NET_CONNECTIVITY_STATE_HELPER_H_