Cache network icon urls

ash/system/chromeos/network/network_icon.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 ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_
 #define ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_
 
 #include <string>
 
 #include "ash/ash_export.h"
@@ skipping 16 matching lines @@
   ICON_TYPE_LIST,  // dark icons without VPN badges
 };
 
 // Gets the image for the network associated with |service_path|. |network| must
 // not be NULL. |icon_type| determines the color theme and whether or not to
 // show the VPN badge. This caches badged icons per network per |icon_type|.
 ASH_EXPORT gfx::ImageSkia GetImageForNetwork(
     const chromeos::NetworkState* network,
     IconType icon_type);
 
+// Similar to GetImageForNetwork but returns the cached image url based on
+// |scale_factor| instead.
+ASH_EXPORT std::string GetImageUrlForNetwork(
+    const chromeos::NetworkState* network,
+    IconType icon_type,
+    float scale_factor);
+
 // Gets the fulls strength image for a connected network type.
 ASH_EXPORT gfx::ImageSkia GetImageForConnectedNetwork(
     IconType icon_type,
     const std::string& network_type);
 
 // Gets the image for a connecting network type.
 ASH_EXPORT gfx::ImageSkia GetImageForConnectingNetwork(
     IconType icon_type,
     const std::string& network_type);
 
 // Gets the image for a disconnected network type.
 ASH_EXPORT gfx::ImageSkia GetImageForDisconnectedNetwork(
     IconType icon_type,
     const std::string& network_type);
 
+// Gets a url representing the image for a disconnected network type.
+ASH_EXPORT std::string GetImageUrlForDisconnectedNetwork(
+    IconType icon_type,
+    const std::string& network_type,
+    float scale_factor);
+
 // Returns the label for |network| based on |icon_type|. |network| can be NULL.
 ASH_EXPORT base::string16 GetLabelForNetwork(
     const chromeos::NetworkState* network,
     IconType icon_type);
 
 // Updates and returns the appropriate message id if the cellular network
 // is uninitialized.
 ASH_EXPORT int GetCellularUninitializedMsg();
 
 // Gets the correct icon and label for |icon_type|. Also sets |animating|
 // based on whether or not the icon is animating (i.e. connecting).
 ASH_EXPORT void GetDefaultNetworkImageAndLabel(IconType icon_type,
                                                gfx::ImageSkia* image,
                                                base::string16* label,
                                                bool* animating);
 
 // Called when the list of networks changes. Retreives the list of networks
 // from the global NetworkStateHandler instance and removes cached entries
 // that are no longer in the list.
 ASH_EXPORT void PurgeNetworkIconCache();
 
 }  // namespace network_icon
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_