Revert of jni_generator: Make all object-returning natives return ScopedJavaLocalRef.

base/android/jni_generator/sample_for_tests.cc

Index: base/android/jni_generator/sample_for_tests.cc
diff --git a/base/android/jni_generator/sample_for_tests.cc b/base/android/jni_generator/sample_for_tests.cc
index a05909a46e66ab4976092a99a0018a070b16ab0c..61dd7f38eb2cf1c70ff83a34bee3ff5f6e67a498 100644
--- a/base/android/jni_generator/sample_for_tests.cc
+++ b/base/android/jni_generator/sample_for_tests.cc
@@ -81,8 +81,8 @@
 static void SetNonPODDatatype(JNIEnv*, jobject, jobject) {
 }
 
-static ScopedJavaLocalRef<jobject> GetNonPODDatatype(JNIEnv*, jobject) {
-  return ScopedJavaLocalRef<jobject>();
+static jobject GetNonPODDatatype(JNIEnv*, jobject) {
+  return NULL;
 }
 
 static jint InnerFunction(JNIEnv*, jclass) {