bug=33093

a=edburns
r=ashuk

Force prefs to be read, causing the proxy data to be read.

java/webclient/src_moz/NativeEventThread.cpp

@@ -427,7 +427,9 @@ nsresult InitMozillaStuff (WebShellInitContext * initContext)
                                       nsIPref::GetIID(), 
                                       (nsISupports **)&prefs);
     if (NS_SUCCEEDED(rv)) {
-        prefs->ReadUserPrefs();
+        if (nsnull == gHistory) { // only do this once per app.
+            prefs->ReadUserPrefs();
+        }
         // Set the prefs in the outermost webshell.
         initContext->webShell->SetPrefs(prefs);
         nsServiceManager::ReleaseService(kPrefCID, prefs);