Bug 1140284 - start the resolver even when offline; r=ehsan

netwerk/base/nsIOService.h

@@ -77,10 +77,6 @@ public:
     bool IsOffline() { return mOffline; }
     bool IsLinkUp();
 
-    bool IsComingOnline() const {
-      return mOffline && mSettingOffline && !mSetOfflineValue;
-    }
-
     // Should only be called from NeckoChild. Use SetAppOffline instead.
     void SetAppOfflineInternal(uint32_t appId, int32_t status);
 

netwerk/dns/nsDNSService2.cpp

@@ -603,11 +603,6 @@ nsDNSService::Init()
 
     nsDNSPrefetch::Initialize(this);
 
-    // Don't initialize the resolver if we're in offline mode.
-    // Later on, the IO service will reinitialize us when going online.
-    if (gIOService->IsOffline() && !gIOService->IsComingOnline())
-        return NS_OK;
-
     nsCOMPtr<nsIIDNService> idn = do_GetService(NS_IDNSERVICE_CONTRACTID);
 
     nsCOMPtr<nsIObserverService> obs = services::GetObserverService();