[cros] Add network tray item for mobile network setup.

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

Index: chrome/browser/chromeos/system/ash_system_tray_delegate.cc
diff --git a/chrome/browser/chromeos/system/ash_system_tray_delegate.cc b/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
index 1922b4c8e0693a01c290b52703d57877849bf0c5..741fa4d0c313bf21be74c147f3597c05ba347252 100644
--- a/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
+++ b/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
@@ -595,7 +595,9 @@ class SystemTrayDelegate : public ash::SystemTrayDelegate,
   }
 
   virtual bool GetCellularCarrierInfo(std::string* carrier_id,
-                                      std::string* topup_url) OVERRIDE {
+                                      std::string* topup_url,
+                                      std::string* setup_url) OVERRIDE {
+    bool result = false;
     NetworkLibrary* crosnet = CrosLibrary::Get()->GetNetworkLibrary();
     const NetworkDevice* cellular = crosnet->FindCellularDevice();
     if (cellular) {
@@ -605,15 +607,26 @@ class SystemTrayDelegate : public ash::SystemTrayDelegate,
         const MobileConfig::Carrier* carrier = config->GetCarrier(*carrier_id);
         if (carrier) {
           *topup_url = carrier->top_up_url();
-          return true;
+          result = true;
+        }
+        const MobileConfig::LocaleConfig* locale_config =
+            config->GetLocaleConfig();
+        if (locale_config) {
+          // Only link to setup URL if SIM card is not inserted.
+          if (cellular->technology_family() == TECHNOLOGY_FAMILY_GSM &&

[Nikita (slow), 2012/04/24 10:41:50]

Based on http://code.google.com/p/chromium-os/issues/detail?id=15444#c31

+              !cellular->is_sim_locked() &&
+              cellular->imsi().empty()) {
+            *setup_url = locale_config->setup_url();
+            result = true;
+          }
         }
       }
     }
-    return false;
+    return result;
   }
 
-  virtual void ShowCellularTopupURL(const std::string& topup_url) OVERRIDE {
-    GetAppropriateBrowser()->ShowSingletonTab(GURL(topup_url));
+  virtual void ShowCellularURL(const std::string& url) OVERRIDE {
+    GetAppropriateBrowser()->ShowSingletonTab(GURL(url));
   }
 
   virtual void ChangeProxySettings() OVERRIDE {