Adapt to devices icon name changes.

shell/view/devices/battery.py

@@ -21,7 +21,7 @@ from sugar.graphics import canvasicon
 from sugar.graphics import style
 from sugar.graphics.palette import Palette
 
-_ICON_NAME = 'device-battery'
+_ICON_NAME = 'battery'
 
 _STATUS_CHARGING = 0
 _STATUS_DISCHARGING = 1

shell/view/devices/network/mesh.py

@@ -22,7 +22,7 @@ from model.devices import device
 class DeviceView(canvasicon.CanvasIcon):
     def __init__(self, model):
         canvasicon.CanvasIcon.__init__(self, size=style.MEDIUM_ICON_SIZE,
-                icon_name='theme:device-network-mesh')
+                icon_name='theme:network-mesh')
         self._model = model
 
         model.connect('notify::state', self._state_changed_cb)

shell/view/devices/network/wireless.py

@@ -22,7 +22,7 @@ from model.devices.network import wireless
 from sugar.graphics.canvasicon import CanvasIcon
 from model.devices import device
 
-_ICON_NAME = 'device-network-wireless'
+_ICON_NAME = 'network-wireless'
 
 class DeviceView(CanvasIcon):
     def __init__(self, model):