chromeos: Refactor the code for showing the network UI.

ui/chromeos/ui_chromeos_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/ui_chromeos_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
     </output>
     <output filename="ui_chromeos_strings_am.pak" type="data_package" lang="am" />
     <output filename="ui_chromeos_strings_ar.pak" type="data_package" lang="ar" />
@@ skipping 113 matching lines @@
       <message name="IDS_ASH_STATUS_TRAY_NETWORK_LIST_ACTIVATING" desc="Message for the network list when activating a network.">
         <ph name="NAME">$1<ex>YBH Cellular</ex></ph>: Activating...
       </message>
       <message name="IDS_ASH_STATUS_TRAY_NETWORK_LIST_CONNECTING" desc="Message for the network list when connecting to a network.">
         <ph name="NAME">$1<ex>GoogleGuest</ex></ph>: Connecting...
       </message>
       <message name="IDS_ASH_STATUS_TRAY_NETWORK_NOT_CONNECTED" desc="Description in status area or network dropdown when no network is connected.">
         No network
       </message>
 
+      <message name="IDS_ASH_STATUS_TRAY_NETWORK_NO_VPN" desc="The label used in the tray popup to notify no vpn is configured.">
+        VPN is not configured.
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_NO_NETWORKS" desc="The message to display in the network info bubble when it is otherwise empty.">
+        No network information available
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_NO_CELLULAR_NETWORKS" desc="The message to display in the network list when no cellular networks are available.">
+        No cellular network available
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_VPN_DISCONNECTED" desc="The label used in system tray bubble to display vpn is disconnected.">
+        VPN disconnected
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_NETWORK_WIFI_ENABLED" desc="The label used in the tray popup to notify that Wi-Fi is turned on.">
+        Wi-Fi is turned on.
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_NETWORK_WIFI_DISABLED" desc="The label used in the tray popup to notify that Wi-Fi is turned off.">
+        Wi-Fi is turned off.
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_WIFI_SCANNING_MESSAGE" desc="Scanning for wifi networks">
+        Searching for Wi-Fi networks...
+      </message>
+
       <!-- Default user profile images. -->
       <!-- User Image default image accessible descriptions -->
       <message name="IDS_LOGIN_DEFAULT_USER_DESC_19" desc="Description of the default user icon with a picture of a bicycle">
         Bicycle
       </message>
       <message name="IDS_LOGIN_DEFAULT_USER_DESC_20" desc="Description of the default user icon with a picture of a Bokeh (an out-of focus effect in photography)">
         Bokeh
       </message>
       <message name="IDS_LOGIN_DEFAULT_USER_DESC_21" desc="Description of the default user icon with a picture of a game of chess">
         Chess
@@ skipping 190 matching lines @@
       </message>
       <message translateable="false" name="IDS_LOGIN_DEFAULT_USER_WEBSITE_31">
         http://www.istockphoto.com/shaunl
       </message>
       <message translateable="false" name="IDS_LOGIN_DEFAULT_USER_WEBSITE_32">
         http://www.magdawasiczek.pl
       </message>
     </messages>
   </release>
 </grit>