Allow networkingPrivate to request configure UI

ui/chromeos/network/network_connect.h

 // 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.
 
 #ifndef UI_CHROMEOS_NETWORK_NETWORK_CONNECT_H
 #define UI_CHROMEOS_NETWORK_NETWORK_CONNECT_H
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 45 matching lines @@
   // Returns the global NetworkConnect object if initialized or NULL.
   static NetworkConnect* Get();
 
   static const char kErrorActivateFailed[];
 
   virtual ~NetworkConnect();
 
   // Requests a network connection and handles any errors and notifications.
   virtual void ConnectToNetwork(const std::string& service_path) = 0;
 
+  // Handles connect request failures for |service_path| based on |error_name|.
+  // Shows the configuration UI and returns true if the network might not be
+  // configured, otherwise does nothing and returns false.
+  virtual bool HandleConnectFailed(const std::string& service_path,

[pneubeck (no reviews), 2015/08/06 09:52:01]

if possible, please consider giving this function a name and comment according
to what it does and not according to when it is called (like the second sentence
in the comment).
That would make it much easier to read and to understand what's going on.

[stevenjb, 2015/08/07 17:39:37]

Renamed MaybeShowConfigureUI.

+                                   const std::string& error_name) = 0;
+
   // Enables or disables a network technology. If |technology| refers to
   // cellular and the device cannot be enabled due to a SIM lock, this function
   // will launch the SIM unlock dialog.
   virtual void SetTechnologyEnabled(
       const chromeos::NetworkTypePattern& technology,
       bool enabled_state) = 0;
 
   // Requests network activation and handles any errors and notifications.
   virtual void ActivateCellular(const std::string& service_path) = 0;
 
@@ skipping 32 matching lines @@
  protected:
   NetworkConnect();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkConnect);
 };
 
 }  // ui
 
 #endif  // UI_CHROMEOS_NETWORK_NETWORK_CONNECT_H