Backed out D3190875

Reviewed By: astreet

Differential Revision: D3212319

fb-gh-sync-id: 2b93bf83c2e7f687ad1762a199c9a150862395ff
fbshipit-source-id: 2b93bf83c2e7f687ad1762a199c9a150862395ff

ReactAndroid/src/main/java/com/facebook/react/bridge/JavaScriptModuleRegistry.java

@@ -59,11 +59,10 @@ public class JavaScriptModuleRegistry {
       return (T) module;
     }
 
-    JavaScriptModuleRegistration registration = mModuleRegistrations.get(moduleInterface);
-    if (registration == null) {
-      throw new IllegalArgumentException(
+    JavaScriptModuleRegistration registration =
+        Assertions.assertNotNull(
+            mModuleRegistrations.get(moduleInterface),
             "JS module " + moduleInterface.getSimpleName() + " hasn't been registered!");
-    }
     JavaScriptModule interfaceProxy = (JavaScriptModule) Proxy.newProxyInstance(
         moduleInterface.getClassLoader(),
         new Class[]{moduleInterface},