Added flags to prevent messing with network connections while 3G device is be...

chrome/browser/chromeos/cros/network_library.h

   // Copyright (c) 2010 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_CROS_NETWORK_LIBRARY_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_NETWORK_LIBRARY_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 477 matching lines @@
   // An attempt to add an observer that has already been added for a
   // give service path will be ignored.
   virtual void AddNetworkObserver(const std::string& service_path,
                                   NetworkObserver* observer) = 0;
   // Remove an observer of a single network
   virtual void RemoveNetworkObserver(const std::string& service_path,
                                      NetworkObserver* observer) = 0;
   // Stop |observer| from observing any networks
   virtual void RemoveObserverForAllNetworks(NetworkObserver* observer) = 0;
 
+  // Temporarily locks down certain functionality in network library to prevent
+  // unplanned side effects. During the lock down, Enable*Device() calls cannot
+  // be made.
+  virtual void Lock() = 0;
+  // Removes temporarily lock of network library.
+  virtual void Unlock() = 0;
+  // Checks if access to network library is locked.
+  virtual bool IsLocked() = 0;
+
   virtual void AddCellularDataPlanObserver(
       CellularDataPlanObserver* observer) = 0;
   virtual void RemoveCellularDataPlanObserver(
       CellularDataPlanObserver* observer) = 0;
 
   // Return the active Ethernet network (or a default structure if inactive).
   virtual const EthernetNetwork* ethernet_network() const = 0;
   virtual bool ethernet_connecting() const = 0;
   virtual bool ethernet_connected() const = 0;
 
@@ skipping 126 matching lines @@
   virtual std::string GetHtmlInfo(int refresh) = 0;
 
   // Factory function, creates a new instance and returns ownership.
   // For normal usage, access the singleton via CrosLibrary::Get().
   static NetworkLibrary* GetImpl(bool stub);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_NETWORK_LIBRARY_H_