Bug 1316017 - Remove redundant nullcheck calls. r=sebastian

--HG--
extra : rebase_source : 8316fc83da782c6437028ed16088c19886370c07

mobile/android/base/java/org/mozilla/gecko/GeckoService.java

@@ -150,8 +150,7 @@ public class GeckoService extends Service {
             throw new IllegalArgumentException("Intent must specify profile.");
         }
 
-        if (!GeckoThread.initWithProfile(profileName != null ? profileName : "",
-                                         profileDir != null ? new File(profileDir) : null)) {
+        if (!GeckoThread.initWithProfile(profileName, profileDir != null ? new File(profileDir) : null)) {
             Log.w(LOGTAG, "Ignoring due to profile mismatch: " +
                           profileName + " [" + profileDir + ']');
 

mobile/android/base/java/org/mozilla/gecko/push/PushService.java

@@ -396,10 +396,6 @@ public class PushService implements BundleEventListener {
                 return;
             }
             if ("History:GetPrePathLastVisitedTimeMilliseconds".equals(event)) {
-                if (callback == null) {
-                    Log.e(LOG_TAG, "callback must not be null in " + event);
-                    return;
-                }
                 final String prePath = message.getString("prePath");
                 if (prePath == null) {
                     callback.sendError("prePath must not be null in " + event);